Math, asked by ankita6916, 1 year ago

How to do this......
Help Please ......

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engineyar: hyy

Answers

Answered by kishantripathi49

1

Answer:

Step-by-step explanation:

CSA of inner =2πrh=2×22/7×2×77=968

CSA of outer=2πrh=2×22/7×2.2×77=1068.8

kishantripathi49: Hello

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