Q- If the length of radius of a sphere is 10.5 cm, let us write by calculating the whole surface area of the sphere. Chapter: SphereView Answer
Q- 127 2/7 sq cm of sheet is required to make a hemispherical bowl. Let us write by calculating the length of diameter of the forepart of the bowl. Chapter: SphereView Answer
Q- The length of radius of spherical gas balloon increases from 7 cm to 21 cm as air is being pumped into it let us find the ratio of surface area of the balloon in two cases. Chapter: SphereView Answer