# HELP!!!! MATH

A boat drops an anchor to the bottom of a lake. The anchor rope makes a 15 degree angle with the boat. The anchor rope is 24 feet long. How deep is the lake to the nearest foot?

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asked by jamie
1. Did you make your sketch?
If the depth is y
you should see that
h/24 = cos15°
h = 24cos15 = appr 23 ft

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posted by Reiny
2. thank you! I guess I did it wrong

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posted by jamie
3. LOL, I would have had the 15 degrees from horizontal, living on the bleak ocean where at least a seven to one scope is required.

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posted by Damon

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