Question

Find the perimeter of the given figure :

Answer 1

Join the line AD.

Now,

radius of the circle = $\frac{6}{2}$ = 3cm

Perimeter of the Circle = 2$\pi$r = 6$\pi$

Semi-perimeter = 3$\pi$

$\therefore$ Perimeter of the given figure = 10 + 10 + 6 + 3$\pi$ = 26 + 3$\pi$ cm