calculate the surface area of a sphere of radius 7cm [Take π = 22/7]

Answer Details

The surface area of a sphere can be calculated using the formula: Surface area = 4πr^{2} where r is the radius of the sphere. Substituting r=7cm and π = 22/7, we get: Surface area = 4 x (22/7) x 7^{2} cm^{2} Surface area = 4 x (22/7) x 49 cm^{2} Surface area = 616 cm^{2} Therefore, the surface area of the sphere is 616cm^{2}. So the answer is 616cm^{2}.