Math, asked by sapnasinghx27, 5 months ago

find the radius of a sphere whose surface area is 154 cm square​

Answers

Answered by MagicalBeast
1

Answer:

r = 3.5cm

Step-by-step explanation:

surface area = 4π r²

=> 154 = 4 ×22/7 × r²

=> r² = 154 × 7 ÷ (88)

=> r² = 12.25cm²

=> r = √12.25

=> r = 3.5cm

Answered by rdas58315
0

Answer:

radius is 7/2 cm

Step-by-step explanation:

surface area of sphere = 4πr^2

154=4*22/7*r^2

r=7/2cm

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