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A wooden plank is leaning against a wall.

The bottom of the plank is 4 feet from the wall.
a) Using the Sine ratio, find AC, the approximate length of the plank.
Round to the nearest tenth of a foot. (10 points)
b) Using the Tangent ratio, find BC, the height off the ground where the plank touches the wall.
Round to the nearest tenth of a foot. (10 points)

User Auser
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1 Answer

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Did you leave out any part of the problem?
User TheLittleNaruto
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