Question

7Q Volume of material used to make a pipe of inner and outer radius r and R and lenth of pipe is h is



πr2h

Π(R2-r2)h

4/3π(R-r)h

None

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Answer 1

Answer:

pie[R^2-r^2]h

Step-by-step explanation:

hope it helps

based on formula

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Answer 2

Answer:

pie (R²+R²)h

Step-by-step explanation:

hope it helps u