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kymber
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The angle of elevation of a ladder leaning against a wall is 72°. If the ladder is 20 feet long, how far is the base of the ladder from the wall?
I got 19.02, is that right? (Pleeeeease be right ಠ෴ಠ)
 2 years ago
 2 years ago
kymber Group Title
The angle of elevation of a ladder leaning against a wall is 72°. If the ladder is 20 feet long, how far is the base of the ladder from the wall? I got 19.02, is that right? (Pleeeeease be right ಠ෴ಠ)
 2 years ago
 2 years ago

This Question is Closed

ZhangYan Group TitleBest ResponseYou've already chosen the best response.1
cos72 = x/20 20cos72 = x 20(0.309) = x x = 6.18 ft
 2 years ago

robtobey Group TitleBest ResponseYou've already chosen the best response.0
\[20\text{ Cos}[72{}^{\circ}]=5 \left(1+\sqrt{5}\right)=6.2 \text{ feet}\]
 2 years ago

kymber Group TitleBest ResponseYou've already chosen the best response.3
Waha. Thaanks
 2 years ago
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