WIRE A wire is bent to form four semicircles. How long is the wire
Answers
Answered by
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
Similar questions