Question

If the surface area of a sphere is 154cm², find its​ radius

Answer 1

Step-by-step explanation:

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This is the answer

Answer 2

Step-by-step explanation:

r≈3.5cm

Surface area 154 cm square

Using the formula

A=4πr2

Solving for

r=1

2A

π=1

2·154

π≈3.5007cm