"A square of area 40 sq. cm is inscribed in a circle as shown in the figure. The area
Channel: Doubtnut
Date: 05/04/2020

"A square of
 area 40 sq. cm is inscribed in a circle as shown in the figure. The area (in
 sq. cm) of the semi-circle is
`20\ pi`
(b) `25\ pi`
(c) `30\ pi`
(d) `40\ pi`"