Question

Find the area of the shaded region

Answer 1

Answer:

20.52 cm²

Area of shaded region:

area of semi-circle - area of triangle

$\dashrightarrow \sf \dfrac{1}{2} \ \pi (radius)^2 \ - \ \sf \dfrac{1}{2} *base*height$

$\rightarrow \sf \dfrac{1}{2} (3.14)(6)^2 - \dfrac{1}{2} *12*6$

$\hookrightarrow \sf 56.52 \ - \ 36$

$\hookrightarrow \sf 20.52 \ cm^2$

Answer 2

Not getting in to too much details but basically
Area of half circle - area of triangle
3.14r^2-1/2bh
r=6 b=12 h=6