A piece of wire is bent in the shape of an equilateral triangle of side 4.4 cm. If this wire is rebent to form a circle, find the radius and the area of the circle.
Answers
Answered by
22
As triangle and circle is made of same wire of same length ,therefore
perimeter of circle=perimeter of triangle
2πr=side+side+side
2πr=4.4+4.4+4.4
2πr=13.2
πr=6.6
22/7×r=6.6
r=6.6×7/22
r=0.3×7
r=2.1cm
hope ,it helps
perimeter of circle=perimeter of triangle
2πr=side+side+side
2πr=4.4+4.4+4.4
2πr=13.2
πr=6.6
22/7×r=6.6
r=6.6×7/22
r=0.3×7
r=2.1cm
hope ,it helps
Similar questions