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A 7-foot ladder is leaned against a building in such a way that the bottom of the ladder is 4 feet from the base of the wall. Find the angle formed between the ladder and the ground.

User TilmannZ
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1 Answer

5 votes
Treat this situation as a right-angled triangle. I have attached a picture below.

cos θ =
(4)/(7)

⇒ θ =
\cos^(-1)(4)/(7)
= 55° 2s.f.
A 7-foot ladder is leaned against a building in such a way that the bottom of the-example-1
User Cjol
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