A 7-foot ladder is leaned against a building so 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.

Question

superkoopasirf · Answer

Treat this situation as a right-angled triangle. I have attached a picture below. 
 cos θ = 7 4 ​ 
 ⇒ θ = cos − 1 7 4 ​ = 55 ° 2s.f.

superkoopasirf · Answer

The angle formed between the 7-foot ladder and the ground, with the bottom being 4 feet from the wall, can be calculated using cosine. The angle θ is approximately 55.2 degrees. This is derived from the cosine formula for right triangles. 
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A 7-foot ladder is leaned against a building so 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 (2)

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