In the given figure, `PSR, RTQ` and `PAQ` are three semicircles of diameter 10 cm, 3 cm and
Channel: Doubtnut
Date: 2020-04-12

In the given figure, `PSR, RTQ` and `PAQ` are three semicircles of diameter 10 cm, 3 cm and 7 cm respectively. Find the perimeter of shaded region. [Use `pi=3.14`]