Question

What is the surface area ​

Answer 1

518.4 cm²

Explanation:

We have two triangles so

2 × (9×10/2) = 90

We have a base so

14 × 10 = 140

We have two other rectangles so

2 × 14 × 10.3 = 288.2

Now we add it all together

288.4 + 140 + 90 = 518.4