Question

A piece of wire is in form of a rectangle 18cm long n 15cm broad is bent n reshaped as a circle find the radius of the circle

Answer 1

perimeter of rect 2 (l +b). thus perimeter = 66 = length of wire.
now circumference of circle = 66
so 2*$\pi$r =66 thus solving we get radius = 10.5

Answer 2

Answer:

10.5

Step-by-step explanation:

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