Question

Find the area of the composite figure.

Answer 1

B.
`200.5 \: {m}^(2)`

Explanation:

Area of the composite figure = Area of square with side length 12 m + Area of semicircle with radius (12/2= 6) 6 m

`= {(12)}^(2) + (1)/(2) \pi {r}^(2) \\ \\ = 144 + (1)/(2) * 3.14(6)^(2) \\ \\ = 144 + (1)/(2) * 3.14 * 36 \\ \\ = 144 + 56.52 \\ \\ = 200.52 \: {m}^(2) \\ \\ \approx \: 200.5 \: {m}^(2)`