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A ladder leaning against a house makes an angel of 74° with the ground. The foot of the ladder is 7 feet from the foot of the house. How long is the ladder?
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7 votes
A ladder leaning against a house makes an angel of 74° with the ground. The foot of the ladder is 7 feet from the foot

of the house. How long is the ladder?

User Ryankuck
by
8.4k points

2 Answers

8 votes

Answer:

Explanation:


(7)/(l) =cos 74\\l=(7)/(cos 74) =7 sec74=7 sec(90-16)=7cos 16 \approx 6.73 ft

User Zachary Canann
by
8.2k points
7 votes
6.5 * tan74 = 22.67 feet
User Nick Brown
by
8.3k points
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