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3 October, 05:41

A 15-foot flagpole leans slightly, such that it makes an 80° angle with the ground. The shadow of the flagpole is 10 feet long when the sun has an unknown angle of elevation. How could the angle of elevation of the sun, x, be determined?

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  1. 3 October, 06:03
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    By determining the length of TV using TV^2=15^2+10^2-2 (15) (10) cos80, and then determining the value of x using 15^2=TV^2+10^2-2 (TV) (10) cosx.
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Home » Mathematics » A 15-foot flagpole leans slightly, such that it makes an 80° angle with the ground. The shadow of the flagpole is 10 feet long when the sun has an unknown angle of elevation. How could the angle of elevation of the sun, x, be determined?
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