Q9 of 48 Page 270

The volume of sphere is in 4/3 π cm3. Then its diameter is ………. cm.

Volume of sphere = πr3


= π cm3


π × r3cm3 = π cm3


(r cm)3 = 1 cm3


r = ∛1 cm3


r = 1


if radius = 1 cm then diameter = 2 × radius


= 2 cm

More from this chapter

All 48 →
9

The volume of sphere with diameter 1 cm is …….. cm3.

 9

The volume of hemisphere with radius 1.2 cm is ……….. cm3.

 9

The volume of cone with radius 2 cm and height 6 cm is ……….. cm3.

 9

The diameter of the base of cone is 10 cm and its slant height is 17 cm. Then the curved surface area of the cone is ………. cm2.