Question

the thickness of a metallic pipe is 1 cm its inner diameter is 12 cm what is the volume of metal needed for a pipe of length one metre​

Answer 1

Step-by-step explanation:

the

formula for volume of cylender is pi r2h. so r= 6cm and hight is 100cm

so the ans is 3771.5cm3. here 3 is the power written with the cm

Answer 2

Answer:

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