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How do you determine the height of a tower if it casts a shadow 156 ft long on level ground when the angle of elevation of the sun is 20 degrees?
Mailman22
I'm pretty sure that it equals 158 ft tall.I did 156 squared (24,336) plus 20 squared (400) and then subtracted the original amount of 156 and 20, I got 136. Then I added the 136 to my 24,736 and got 24,872. Finally I square rooted 24,872 and got 157.70 and rounded to 158. Hope that this helps you.
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∙ 12y ago
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