EduSahara™ Assignment
Name : Areas of Sectors
Chapter : Area Related to Circles
Grade : CBSE Grade X
License : Non Commercial Use
Question 1
1.
If the radius of a circle is 12.00 cm and the angle subtended at the center by the arc of a sector is 74.00°, the length of the arc of the sector is
  • (i)
    12.51 cm
  • (ii)
    18.51 cm
  • (iii)
    20.51 cm
  • (iv)
    15.51 cm
  • (v)
    10.51 cm
Question 2
2.
If the radius of a circle is 14.00 cm and the angle subtended at the center by the arc of a sector is 113.00°, the area of the sector is
  • (i)
    193.36 sq.cm
  • (ii)
    205.36 sq.cm
  • (iii)
    187.36 sq.cm
  • (iv)
    197.36 sq.cm
  • (v)
    171.36 sq.cm
Question 3
3.
If the radius of a circle is 11.00 cm and the angle subtended at the center by the arc of a sector is 35.00°, the perimeter of the sector is
  • (i)
    33.72 cm
  • (ii)
    31.72 cm
  • (iii)
    25.72 cm
  • (iv)
    23.72 cm
  • (v)
    28.72 cm
Question 4
4.
If the radius of a circle is 14.00 cm and the angle subtended at the center by the arc of a sector is 70.00°, the area of the circle is
  • (i)
    609.00 sq.cm
  • (ii)
    634.00 sq.cm
  • (iii)
    591.00 sq.cm
  • (iv)
    616.00 sq.cm
  • (v)
    629.00 sq.cm
Question 5
5.
If the radius of a circle is 15.00 cm and the angle subtended at the center by the arc of a sector is 99.00°, the perimeter of the circle is
  • (i)
    99.29 cm
  • (ii)
    91.29 cm
  • (iii)
    97.29 cm
  • (iv)
    89.29 cm
  • (v)
    94.29 cm
Question 6
6.
If the radius of a circle is 13.00 cm and the length of the arc of a sector is 33.14 cm, the angle subtended at the center by the arc of the sector is
  • (i)
    146.00°
  • (ii)
    138.00°
  • (iii)
    129.00°
  • (iv)
    172.00°
  • (v)
    161.00°
Question 7
7.
If the radius of a circle is 12.00 cm and the length of the arc of a sector is 23.05 cm, the area of the sector is
  • (i)
    125.29 sq.cm
  • (ii)
    138.29 sq.cm
  • (iii)
    156.29 sq.cm
  • (iv)
    131.29 sq.cm
  • (v)
    154.29 sq.cm
Question 8
8.
If the radius of a circle is 12.00 cm and the length of the arc of a sector is 26.61 cm, the perimeter of the sector is
  • (i)
    53.61 cm
  • (ii)
    50.61 cm
  • (iii)
    55.61 cm
  • (iv)
    47.61 cm
  • (v)
    45.61 cm
Question 9
9.
If the radius of a circle is 11.00 cm and the length of the arc of a sector is 13.83 cm, the area of the circle is
  • (i)
    372.29 sq.cm
  • (ii)
    407.29 sq.cm
  • (iii)
    384.29 sq.cm
  • (iv)
    355.29 sq.cm
  • (v)
    380.29 sq.cm
Question 10
10.
If the radius of a circle is 11.00 cm and the length of the arc of a sector is 22.28 cm, the perimeter of the circle is
  • (i)
    69.14 cm
  • (ii)
    66.14 cm
  • (iii)
    74.14 cm
  • (iv)
    64.14 cm
  • (v)
    72.14 cm
Question 11
11.
If the radius of a circle is 10.00 cm and the area of a sector is 115.24 sq.cm, the angle subtended at the center by the arc of the sector is
  • (i)
    146.00°
  • (ii)
    132.00°
  • (iii)
    116.00°
  • (iv)
    144.00°
  • (v)
    109.00°
Question 12
12.
If the radius of a circle is 15.00 cm and the area of a sector is 284.82 sq.cm, the length of the arc of the sector is
  • (i)
    37.98 cm
  • (ii)
    32.98 cm
  • (iii)
    34.98 cm
  • (iv)
    42.98 cm
  • (v)
    40.98 cm
Question 13
13.
If the radius of a circle is 15.00 cm and the area of a sector is 243.57 sq.cm, the perimeter of the sector is
  • (i)
    57.48 cm
  • (ii)
    59.48 cm
  • (iii)
    67.48 cm
  • (iv)
    65.48 cm
  • (v)
    62.48 cm
Question 14
14.
If the radius of a circle is 11.00 cm and the area of a sector is 68.66 sq.cm, the area of the circle is
  • (i)
    396.29 sq.cm
  • (ii)
    404.29 sq.cm
  • (iii)
    380.29 sq.cm
  • (iv)
    373.29 sq.cm
  • (v)
    367.29 sq.cm
Question 15
15.
If the radius of a circle is 12.00 cm and the area of a sector is 165.94 sq.cm, the perimeter of the circle is
  • (i)
    78.43 cm
  • (ii)
    80.43 cm
  • (iii)
    70.43 cm
  • (iv)
    75.43 cm
  • (v)
    72.43 cm
Question 16
16.
If the radius of a circle is 11.00 cm and the perimeter of a sector is 47.54 cm, the angle subtended at the center by the arc of the sector is
  • (i)
    146.00°
  • (ii)
    133.00°
  • (iii)
    145.00°
  • (iv)
    120.00°
  • (v)
    125.00°
Question 17
17.
If the radius of a circle is 10.00 cm and the perimeter of a sector is 27.16 cm, the length of the arc of the sector is
  • (i)
    7.16 cm
  • (ii)
    6.16 cm
  • (iii)
    5.16 cm
  • (iv)
    9.16 cm
  • (v)
    8.16 cm
Question 18
18.
If the radius of a circle is 15.00 cm and the perimeter of a sector is 44.41 cm, the area of the sector is
  • (i)
    108.04 sq.cm
  • (ii)
    95.04 sq.cm
  • (iii)
    120.04 sq.cm
  • (iv)
    116.04 sq.cm
  • (v)
    82.04 sq.cm
Question 19
19.
If the radius of a circle is 14.00 cm and the perimeter of a sector is 59.53 cm, the area of the circle is
  • (i)
    602.00 sq.cm
  • (ii)
    622.00 sq.cm
  • (iii)
    616.00 sq.cm
  • (iv)
    634.00 sq.cm
  • (v)
    599.00 sq.cm
Question 20
20.
If the radius of a circle is 10.00 cm and the perimeter of a sector is 48.81 cm, the perimeter of the circle is
  • (i)
    65.86 cm
  • (ii)
    67.86 cm
  • (iii)
    62.86 cm
  • (iv)
    59.86 cm
  • (v)
    57.86 cm
Question 21
21.
If the area of a sector of a circle is 149.29 sq.cm and the angle subtended at the center by the arc of the sector is 76.00°, the radius of the circle is
  • (i)
    20.00 cm
  • (ii)
    18.00 cm
  • (iii)
    15.00 cm
  • (iv)
    12.00 cm
  • (v)
    10.00 cm
Question 22
22.
If the area of a sector of a circle is 215.41 sq.cm and the angle subtended at the center by the arc of the sector is 146.00°, the length of the arc of the sector is
  • (i)
    33.14 cm
  • (ii)
    28.14 cm
  • (iii)
    36.14 cm
  • (iv)
    38.14 cm
  • (v)
    30.14 cm
Question 23
23.
If the area of a sector of a circle is 133.47 sq.cm and the angle subtended at the center by the arc of the sector is 78.00°, the perimeter of the sector is
  • (i)
    44.07 cm
  • (ii)
    50.07 cm
  • (iii)
    52.07 cm
  • (iv)
    42.07 cm
  • (v)
    47.07 cm
Question 24
24.
If the area of a sector of a circle is 162.17 sq.cm and the angle subtended at the center by the arc of the sector is 129.00°, the area of the circle is
  • (i)
    452.57 sq.cm
  • (ii)
    457.57 sq.cm
  • (iii)
    429.57 sq.cm
  • (iv)
    444.57 sq.cm
  • (v)
    468.57 sq.cm
Question 25
25.
If the area of a sector of a circle is 241.27 sq.cm and the angle subtended at the center by the arc of the sector is 141.00°, the perimeter of the circle is
  • (i)
    91.00 cm
  • (ii)
    93.00 cm
  • (iii)
    83.00 cm
  • (iv)
    85.00 cm
  • (v)
    88.00 cm
Question 26
26.
If the area of a sector of a circle is 178.75 sq.cm and the length of the arc of the sector is 23.83 cm, the radius of the circle is
  • (i)
    20.00 cm
  • (ii)
    18.00 cm
  • (iii)
    15.00 cm
  • (iv)
    10.00 cm
  • (v)
    12.00 cm
Question 27
27.
If the area of a sector of a circle is 88.18 sq.cm and the length of the arc of the sector is 17.64 cm, the angle subtended at the center by the arc of the sector is
  • (i)
    129.00°
  • (ii)
    101.00°
  • (iii)
    85.00°
  • (iv)
    118.00°
Question 28
28.
If the area of a sector of a circle is 104.34 sq.cm and the length of the arc of the sector is 17.39 cm, the perimeter of the sector is
  • (i)
    38.39 cm
  • (ii)
    44.39 cm
  • (iii)
    46.39 cm
  • (iv)
    36.39 cm
  • (v)
    41.39 cm
Question 29
29.
If the area of a sector of a circle is 178.53 sq.cm and the length of the arc of the sector is 32.46 cm, the area of the circle is
  • (i)
    394.29 sq.cm
  • (ii)
    378.29 sq.cm
  • (iii)
    362.29 sq.cm
  • (iv)
    380.29 sq.cm
  • (v)
    386.29 sq.cm
Question 30
30.
If the area of a sector of a circle is 196.78 sq.cm and the length of the arc of the sector is 28.11 cm, the perimeter of the circle is
  • (i)
    85.00 cm
  • (ii)
    91.00 cm
  • (iii)
    88.00 cm
  • (iv)
    83.00 cm
  • (v)
    93.00 cm
Question 31
31.
If the area of a sector of a circle is 155.71 sq.cm and the area of the circle is 616.00 sq.cm, the radius of the circle is
  • (i)
    17.00 cm
  • (ii)
    9.00 cm
  • (iii)
    19.00 cm
  • (iv)
    14.00 cm
  • (v)
    11.00 cm
Question 32
32.
If the area of a sector of a circle is 61.98 sq.cm and the area of the circle is 314.29 sq.cm, the angle subtended at the center by the arc of the sector is
  • (i)
    68.00°
  • (ii)
    76.00°
  • (iii)
    71.00°
  • (iv)
    66.00°
  • (v)
    74.00°
Question 33
33.
If the area of a sector of a circle is 191.64 sq.cm and the area of the circle is 616.00 sq.cm, the length of the arc of the sector is
  • (i)
    27.38 cm
  • (ii)
    32.38 cm
  • (iii)
    30.38 cm
  • (iv)
    24.38 cm
  • (v)
    22.38 cm
Question 34
34.
If the area of a sector of a circle is 126.59 sq.cm and the area of the circle is 314.29 sq.cm, the perimeter of the sector is
  • (i)
    40.32 cm
  • (ii)
    45.32 cm
  • (iii)
    48.32 cm
  • (iv)
    50.32 cm
  • (v)
    42.32 cm
Question 35
35.
If the area of a sector of a circle is 130.74 sq.cm and the area of the circle is 452.57 sq.cm, the perimeter of the circle is
  • (i)
    80.43 cm
  • (ii)
    72.43 cm
  • (iii)
    78.43 cm
  • (iv)
    75.43 cm
  • (v)
    70.43 cm
Question 36
36.
If the length of the arc of a sector is 31.95 cm and the angle subtended at the center by the arc of the sector is 122.00°, the radius of the circle is
  • (i)
    18.00 cm
  • (ii)
    20.00 cm
  • (iii)
    12.00 cm
  • (iv)
    10.00 cm
  • (v)
    15.00 cm
Question 37
37.
If the length of the arc of a sector is 40.09 cm and the angle subtended at the center by the arc of the sector is 164.00°, the area of the sector is
  • (i)
    288.62 sq.cm
  • (ii)
    256.62 sq.cm
  • (iii)
    280.62 sq.cm
  • (iv)
    265.62 sq.cm
  • (v)
    293.62 sq.cm
Question 38
38.
If the length of the arc of a sector is 40.60 cm and the angle subtended at the center by the arc of the sector is 155.00°, the perimeter of the sector is
  • (i)
    75.60 cm
  • (ii)
    65.60 cm
  • (iii)
    73.60 cm
  • (iv)
    67.60 cm
  • (v)
    70.60 cm
Question 39
39.
If the length of the arc of a sector is 18.61 cm and the angle subtended at the center by the arc of the sector is 82.00°, the perimeter of the circle is
  • (i)
    86.71 cm
  • (ii)
    76.71 cm
  • (iii)
    78.71 cm
  • (iv)
    84.71 cm
  • (v)
    81.71 cm
Question 40
40.
If the length of the arc of a sector is 25.93 cm and the area of the circle is 707.14 sq.cm, the radius of the circle is
  • (i)
    15.00 cm
  • (ii)
    18.00 cm
  • (iii)
    12.00 cm
  • (iv)
    20.00 cm
  • (v)
    10.00 cm
Question 41
41.
If the length of the arc of a sector is 26.19 cm and the area of the circle is 314.29 sq.cm, the angle subtended at the center by the arc of the sector is
  • (i)
    134.00°
  • (ii)
    135.00°
  • (iii)
    162.00°
  • (iv)
    153.00°
  • (v)
    150.00°
Question 42
42.
If the length of the arc of a sector is 19.75 cm and the area of the circle is 531.14 sq.cm, the area of the sector is
  • (i)
    143.36 sq.cm
  • (ii)
    128.36 sq.cm
  • (iii)
    140.36 sq.cm
  • (iv)
    124.36 sq.cm
  • (v)
    104.36 sq.cm
Question 43
43.
If the length of the arc of a sector is 33.53 cm and the area of the circle is 707.14 sq.cm, the perimeter of the sector is
  • (i)
    60.53 cm
  • (ii)
    63.53 cm
  • (iii)
    66.53 cm
  • (iv)
    68.53 cm
  • (v)
    58.53 cm
Question 44
44.
If the length of the arc of a sector is 26.64 cm and the area of the circle is 616.00 sq.cm, the perimeter of the circle is
  • (i)
    83.00 cm
  • (ii)
    85.00 cm
  • (iii)
    93.00 cm
  • (iv)
    88.00 cm
  • (v)
    91.00 cm
Question 45
45.
If the length of the arc of a sector is 13.44 cm and the perimeter of the circle is 88.00 cm, the radius of the circle is
  • (i)
    14.00 cm
  • (ii)
    19.00 cm
  • (iii)
    9.00 cm
  • (iv)
    11.00 cm
  • (v)
    17.00 cm
Question 46
46.
If the length of the arc of a sector is 21.27 cm and the perimeter of the circle is 88.00 cm, the angle subtended at the center by the arc of the sector is
  • (i)
    84.00°
  • (ii)
    82.00°
  • (iii)
    90.00°
  • (iv)
    87.00°
  • (v)
    92.00°
Question 47
47.
If the length of the arc of a sector is 35.10 cm and the perimeter of the circle is 94.29 cm, the area of the sector is
  • (i)
    263.21 sq.cm
  • (ii)
    280.21 sq.cm
  • (iii)
    241.21 sq.cm
  • (iv)
    249.21 sq.cm
  • (v)
    268.21 sq.cm
Question 48
48.
If the length of the arc of a sector is 37.72 cm and the perimeter of the circle is 94.29 cm, the perimeter of the sector is
  • (i)
    72.72 cm
  • (ii)
    64.72 cm
  • (iii)
    62.72 cm
  • (iv)
    70.72 cm
  • (v)
    67.72 cm
Question 49
49.
If the length of the arc of a sector is 20.65 cm and the perimeter of the circle is 81.71 cm, the area of the circle is
  • (i)
    503.14 sq.cm
  • (ii)
    531.14 sq.cm
  • (iii)
    524.14 sq.cm
  • (iv)
    558.14 sq.cm
  • (v)
    537.14 sq.cm
    Assignment Key

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