Question

A 10 foot ladder is leaning against a building. It forms a 30 degree angle with the ground. How far away from the building is the foot of the ladder? Round your answer to the nearest hundredth. 5 feet, 5.77 feet, 8.66 feet, or 20 feet​

Answer 1

x = 8.66 ft

Explanation:

cos 30 = adj/hyp = x/10

---> x = (10 ft)cos30

= 8.66 ft