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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.



Answer :

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

cos θ = [tex] \frac{4}{7} [/tex]

⇒ θ = [tex]\cos^{-1}\frac{4}{7} [/tex]
       = 55° 2s.f.
View image superkoopasirf

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