A triangular pyramid has a surface area of 174 square feet. It is made up of equilateral triangles with side lengths of 10 feet. What is the slant height?

Question

asked Mar 15, 2023 109k views

1 Answer

Marlina · Answer 1 · 2023-03-20T12:29:56+0000

Answer:

Slant height = 7.07 ft to nearest hundredth.

Explanation:

The slant height = height of one of the triangular sides

Using Pythagoras:

S^2 = 1/2 * 10^2 + 10^2 = 50 ft.

S = √50 = 7.071