Question

Find the diameter of a sphere whose surface area is 154 cm square

Answer 1

7 is the answer for your question

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Answer 2

Answer:

Hope it helps

Step-by-step explanation:

Let r be the radius of the sphere

surface area of the sphere=4πr sq

Also surface area=154cm sq

4π 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