Question

the surface area of sphere is 154cm².find the radius of the sphere​

Answer 1

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Step-by-step explanation:

Answer 2

Answer:

3.5 cm

Step-by-step explanation:

★Here is your answer ★

Let r be the radius of the sphere

surface area of the sphere=4πr sq

Also surface area=154cm sq

4πr sq=154

4×22/7×r sq=154

r sq=154×7/4×22=12.25

r=+√12.25=3.5

Hence the radius of the sphere=3.5cm

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