Question

What is the surface area?????

Answer 1

The area of a triangle is found using the formula Area = 1/2 x base x height.

Base = 8

Height = 18.

The area of 1 triangle = 1/2 x 8 x 18 = 72 square units.

There are a total of 4 sides, so total area = 72 x 4 = 288 units ^2