A 5 foot long board is propped against the wall of a house. The board forms a 60% angle with the ground. How far is the base of the board from the wall?

Question

asked Jul 1, 2020 127k views

1 Answer

Ed Dore · Answer 1 · 2020-07-08T08:44:13+0000

Answer:

2.5 ft

Explanation:

Cosine = adjacent / hypotenuse

cos 60° = x / 5

x = 5 cos 60°

x = 2.5

The base of the board is 2.5 feet from the wall.