Answer:
66 inches²
Explanation:
Area of 1 triangle = ½ × base × height = ½ × 7 × 4 = 14 in²
Area of 2 triangles = 14 × 2 = 28 in²
Area of outer rectangles = (6 × 2) × 2 = 24 in²
Area of inner rectangle = 2 × 7 = 14 in²
Total surface area = 28+24+14 = 66 in²