Question

Find the radius of Sphere whose surface
area is 154cm​

Answer 1

Answer:

Given:

area of the sphere=154

We know that , area of a sphere=4πr²

so, 4πr²=154

4×22/7×r²=154

r²=154×7/88

r²=12.25

r=√12.25

r=3.5 cm

Answer 2

Step-by-step explanation:

" 3.5 "

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