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OpenStudy (anonymous):
Donna measured the angle of elevation of a church steeple and found it to be 10 degrees. Then she walked 100 m towards the steeple and measured the angle of elevation again; this time it was 20 degrees. What is the height of the steeple, assuming that the ground is level?
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OpenStudy (anonymous):
help please!! include a diagram! big math test tmrw!
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