Find the surface area of a sphere whose radius is 7 cm?
Find the surface area of a sphere whose radius is 7 cm?
Explanation
The surface area of a sphere is given by the formula: 4πr².
Substituting r = 7 cm, we get 4 × 3.1416 × (7)² = 616 cm².
The surface area of a sphere is given by the formula: 4πr².
Substituting r = 7 cm, we get 4 × 3.1416 × (7)² = 616 cm².