Q.
A rectangle is inscribed in a circle. Arrange the given steps in correct order to find the area of the circle, if the area of the rectangle is $AR$ and one of its sides is $r$.
(A) Find the diagonal of the rectangle.
(B) Diagonal of the rectangle inscribed is equal to the diameter of the circle.
(C) Recall the formula for area of a rectangle.
(D) The other side of the rectangle is $\frac{A_{ R }}{r}$.
(E) Recall the formula for area of circle when diameter is given.
Mensuration
Solution: