Question

A peice of wire bent in triangle of each side 6.6 cm it is bent to form circular ring what is diameter of the ring

Answer 1

perimeter of triangle is 6.6+6.6+6.6= 19.8cm
perimeter of circle=2πr
2πr= 19.8
2r = 19.8÷π= 19.8×7÷22= 63cm= diameter of ring