Question

Help me please!!!!!!​

Answer 1

161.1 m² (1 dp)

Explanation:

Area of a triangle = 1/2 x base x height

⇒ area = 1/2 x 12 x (20 - 12) = 48 m²

Area of a quarter circle =
`\frac14\pi r^2`

⇒ area = 1/4 x
`\pi` x 12² = 113.1 m² (1 dp)

Total area = 48 + 113.1 = 161.1 m² (1 dp)