Math, asked by mubeenmuniri1980, 1 month ago

the surface area of a sphere is 5544 cm². Find the radius of sphy.(take π=22\7)

Answers

Answered by kartikade98730

1

Answer:

21cm

Step-by-step explanation:

SA of sphere =4πr²

5544 = 4× 22/7 × r²

5544×7/ 4×22= r²

252×7/ 4= r²

63×7=r²

441 = r²

21= radius

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