In the given figure, a square OABC  has been inscribed in the quadrant OPBQ .If `OA=20cm
Channel: Doubtnut
Date: 2020-04-19

In the given figure, a square OABC  has been inscribed in the quadrant OPBQ .If `OA=20cm` then the area of the shaded region is [take `pi=3.14`]