Question

The radius of a circular pipe is 10cm what length of tape is required to wrap once around the pipe (take circumference 3.14

Answer 1

Heya,

According to the question,

Radius of pipe = 10cm

We, have to wrap tape once around the pipe, so that means we need to find the circumference,

So the length of tape required to wrap once around the pipe = 2πr

= 2×3.14×10

= 62.8 cm. ...... Answer

Hope this helps....:)

Answer 2

curved surface area of cylinder=2πrh
circular part of cylider=2πr
2×314/100×10=62.8cm
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