India Languages, asked by amirsmarty172, 1 month ago

What was the surface area of one ball of 7 mm radius?

Answers

Answered by shivani8171081473

1

Answer:

615.75 mm²

Explanation:

π×r²×4 is the surface area of sphere

Answered by mudulimanasmini02

0

Answer:

surface area= 4πr^2

A=4×22/7×7×7

A=616mm^2

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