Answer:
b. 402.62 m²
Explanation:
The area of two triangles = 2(4×6/2) = 24 m²
The area of the 1st rectangle = 6 × 22 = 132 m²
The area of the 2nd rectangle = 7.21 × 22 = 158.62 m²
The area of the 3rd rectangle = 4 × 22 = 88 m²
Total = 24 + 132 + 158.62 + 88 = 402.62 m²