EduSahara™ Assignment
Name : Circular Paths
Chapter : Perimeter and Area of Plane Figures
Grade : ICSE Grade IX
License : Non Commercial Use
Question 1
1.
If the inner and outer radii of a ring are 7.00 cm and 9.00 cm respectively, the area of the ring is
  • (i)
    86.57 sq.cm
  • (ii)
    127.57 sq.cm
  • (iii)
    100.57 sq.cm
  • (iv)
    78.57 sq.cm
  • (v)
    118.57 sq.cm
Question 2
2.
If the width of the ring is 4.00 cm and inner radius is 6.00 cm, the area of the ring is
  • (i)
    194.14 sq.cm
  • (ii)
    177.14 sq.cm
  • (iii)
    228.14 sq.cm
  • (iv)
    213.14 sq.cm
  • (v)
    201.14 sq.cm
Question 3
3.
If the width of the ring is 3.00 cm and outer radius is 9.00 cm, the area of the ring is
  • (i)
    141.43 sq.cm
  • (ii)
    158.43 sq.cm
  • (iii)
    135.43 sq.cm
  • (iv)
    127.43 sq.cm
  • (v)
    143.43 sq.cm
Question 4
4.
If the area of the inner circle of the ring is 254.57 sq.cm and area of outer circle is 314.29 sq.cm, the area of the ring is
  • (i)
    56.71 sq.cm
  • (ii)
    62.71 sq.cm
  • (iii)
    54.71 sq.cm
  • (iv)
    64.71 sq.cm
  • (v)
    59.71 sq.cm
    Assignment Key

  •  1) (iii)
  •  2) (v)
  •  3) (i)
  •  4) (v)