Question

5b) Find the surface area of the triangular prism. Round your answer to two decimal places.​

Answer 1

693.19 m^2.

Explanation:

This consists of 2 triangles and 3 rectangles,

Surface area = 2 * 1/2 * 3 * 9 + 9*31 + 3*31 + 9.49*31

= 27 + 279 + 93 + 294.19

= 693.19 m^2