Question

A square of area 2 is inscribed in a circle. What is the area of the circle?

Answer 1

Area=S^2=2, S=sqrt2=length of each side
of square, d^2=S^2+S^2=2+2=4, d=2=dia.
of circle, Ac=3.14r^2=3.14(1^2)=3.14=
area of circle.