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 8.00 cm and 9.00 cm respectively, the area of the ring is
  • (i)
    56.43 sq.cm
  • (ii)
    53.43 sq.cm
  • (iii)
    50.43 sq.cm
  • (iv)
    58.43 sq.cm
  • (v)
    48.43 sq.cm
Question 2
2.
If the width of the ring is 2.00 cm and inner radius is 7.00 cm, the area of the ring is
  • (i)
    72.57 sq.cm
  • (ii)
    118.57 sq.cm
  • (iii)
    115.57 sq.cm
  • (iv)
    100.57 sq.cm
  • (v)
    93.57 sq.cm
Question 3
3.
If the width of the ring is 2.00 cm and outer radius is 10.00 cm, the area of the ring is
  • (i)
    106.14 sq.cm
  • (ii)
    86.14 sq.cm
  • (iii)
    131.14 sq.cm
  • (iv)
    113.14 sq.cm
  • (v)
    128.14 sq.cm
Question 4
4.
If the area of the inner circle of the ring is 78.57 sq.cm and area of outer circle is 154.00 sq.cm, the area of the ring is
  • (i)
    78.43 sq.cm
  • (ii)
    80.43 sq.cm
  • (iii)
    72.43 sq.cm
  • (iv)
    75.43 sq.cm
  • (v)
    70.43 sq.cm
    Assignment Key

  •  1) (ii)
  •  2) (iv)
  •  3) (iv)
  •  4) (iv)