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Eyes97 Eyes97
  • 12-11-2014
  • Mathematics
Answered

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.

Verified Answer :

superkoopasirf
superkoopasirf superkoopasirf
  • 12-11-2014

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

cos θ = \(\frac{4}{7}\)

⇒ θ = \(\cos^{-1}\frac{4}{7}\)
       = 55° 2s.f.

View image superkoopasirf
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