Question

a wire is in the form of rectangular 18.7 cm long and 14.3 cm wide if this wire is reshaped and bent in the form of circle find the radius and the area of circle so formed

Answer 1

$\textbf{\red{length of rectangle(l)=18.7 cm}}$

$\textbf{\blue{Breadth(b)=14.3 cm}}$

$\textbf{\orange{perimeter=66cm}}$

$\large\mathbf\implies\frac{\cancel{66}×7}{2×\cancel{22}}$

$\large\mathbf\implies\:radius\:=10.5\:cm$