Asked by anu

A hollow cylindrical iron pipe is of length 35 cm . It's outer and inner diameters are 10cm and 8cm respectively . Find the weight of the pipe if 1 cube centimeter of iron weights 7 gram
Answered by Steve
the volume of the metal is

π(5^2 - 4^2)(35) cm^3

Now you can find the weight.
Answered by s
6.93 kg
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