ICSE Board Practice

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ICSE Grade X - Circumference and Area of a Circle

Question 1

1.	If the area of a sector of a circle is 304.46 sq.cm and the area of the circle is 707.14 sq.cm, the angle subtended at the center by the arc of the sector is
	171.00° 159.00° 155.00° 138.00°

Question 2

2.	If the radius of a circle is 10.00 cm and the perimeter of a sector is 43.57 cm, the area of the sector is
	145.86 sq.cm 125.86 sq.cm 117.86 sq.cm 92.86 sq.cm 114.86 sq.cm

Question 3

3.	If the length of the arc of a sector is 27.24 cm and the area of the circle is 707.14 sq.cm, the perimeter of the sector is
	52.24 cm 54.24 cm 60.24 cm 57.24 cm 62.24 cm

Question 4

4.	If the area of a sector of a circle is 133.57 sq.cm and the length of the arc of the sector is 26.72 cm, the perimeter of the sector is
	49.72 cm 51.72 cm 41.72 cm 43.72 cm 46.72 cm

Question 5

5.	In the given figure, the width of the circular path is 8.00 m. Find the area of the shaded region
	974.86 sq.m 982.86 sq.m 996.86 sq.m 970.86 sq.m

Question 6

6.	If the radius of a circle is 12.00 cm and the perimeter of a sector is 32.80 cm, the perimeter of the circle is
	78.43 cm 72.43 cm 80.43 cm 70.43 cm 75.43 cm

Question 7

7.	If the area of the inner circle of the ring is 201.14 sq.cm and area of outer circle is 314.29 sq.cm, the outer circle radius is
	10.00 cm 13.00 cm 5.00 cm 15.00 cm 7.00 cm

Question 8

8.	If the width of the ring is 1.00 cm and outer radius is 9.00 cm, the inner circle area is
	184.14 sq.cm 219.14 sq.cm 201.14 sq.cm 185.14 sq.cm 226.14 sq.cm

Question 9

9.	If the area of a sector of a circle is 88.18 sq.cm and the area of the circle is 314.29 sq.cm, the length of the arc of the sector is
	20.64 cm 14.64 cm 22.64 cm 17.64 cm 12.64 cm

Question 10

10.	In the given figure ,PQRS is the diameter of the circle of radius 6.00 cm and PQ = QR = RS. Find the perimeter of the shaded region
	40.71 cm 32.71 cm 42.71 cm 37.71 cm 34.71 cm

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