Math, asked by jasmeensran7, 8 months ago

WIRE A wire is bent to form four semicircles. How long is the wire

Answers

Answered by rajivrtp
2

Step-by-step explanation:

length of the wire

= no of semicircles × perimeter of one sc

= 4 ( 2r+πr)

= 4r( π+2)

=4r( 22/7 +2)

= 4r × (22+14) / 7

= 36×4r / 7

= 144r / 7 unit

where r = radius of a semicircle

hope this helps you

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