Question

The surface area of a sphere is 154 cm?. Find its radius​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

tsa of sphere is 154 cm^2

tsa=4πr^2

154=4πr^2

154/4=πr^2

154/4π=r^2

√154/4π=r

9.7=r