Question

What is the surface area of a sphere with a diameter of 14 cm?

Question 6 options:


175.84 cm^2


351.68 cm^2


615.44 cm^2


2461.76 cm^2

Show your work:

Answer 1

9514 1404 393

Answer:

(c) 615.44 cm^2

Explanation:

The surface area of a sphere is given by ...

A = 4πr² . . . . where r is the radius, half the diameter

A = 4(3.14)(7 cm)² = 196(3.14) cm² = 615.44 cm²