Math, asked by prakash143rinki, 2 months ago

Pratibha wrapped a cord around a circular pipe of radius 4cm once and cut off the length required of the cord then she wrapped this length around a square box of side 4cm once did she have any cord left how much​

Answers

Answered by AryanJain2005
5

Radius of pipe=4cm

Wrapping cord around circular pipe=2πr

=2×3.14×4=25.12cm

Again, wrapping cord around a square=4×side

=4×4=16cm

Remaining cord=Cord wrapped on pipe−Cord wrapped on square =25.12−16=9.12cm

Thus, she has left 9.12cm cord.

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