Examples
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- A ladder is leaning against an outside wall of a building. If the angle of elevation at the base of the ladder to the wall is 65∘ and the ladder is 14 feet long, how far up the wall does the ladder reach?
- A 23 foot long piece of wood is leaning against the wall of a house. If the angle of elevation at the base of the wood to the wall is 75∘, how far is the wood from the base of the wall?
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