A sphere is of radius 5 cm. What is the surface area of the sphere?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 100
Given
The radius of a sphere r = 5 cm
Formula used
The surface area of the sphere = 4π * r * r
Calculation
= 4 π * 25 = 100π cm2