Question

The proper angle for a ladder is about 75° from the ground. Suppose you have a 19 foot ladder. How far from

the house should you place the base of the ladder?
1

Answer 1

4.92 ft

Explanation:

The ladder is the hypotenuse of a right triangle

adjacent leg / hypotenuse = cos 75

cos 75 = adjacent leg / 19

19 cos 75 ° = adjacent leg = 4.92 ft