Practice Set 9.3
1. Find the surface areas and volumes of spheres of the following radii. (i) 4 cm (ii) 9 cm (iii) 3.5 cm. (π = 3.14) Solution (i) Solution (ii) Solution(iii) 2. If the radius of a solid hemisphere is 5cm, then find its curved surface area and total surface area. (π = 3.14) Solution 3. If the […]