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Mathematics 24 Online
OpenStudy (sagewilson):

Trigonometry. I would like to know how I would solve this problem The angle looking up at the sun is 70°. A flagpole casts a shadow of 15 ft. Draw a diagram and find the height of the flagpole. 41.2 ft. 14.1 ft. 5.5 ft. I know that the TAN of 70 is 2.7475 I don't know how to solve it.

OpenStudy (vjt):

I think the answer is 41.2 ft, I just finished learning this.

OpenStudy (sagewilson):

Do you think you could teach me how to do it? I've read through my lesson but I still don't understand.

OpenStudy (vjt):

Yeah sure, okay this should be your work Tan(70) = x/15 *15 *15 15Tan(70) = x 15*(2.747477419) = x 41.21216129 = x 41.2 ft = x

OpenStudy (sagewilson):

Wait, Do I just need to multiply the TAN by the given number?

OpenStudy (vjt):

Yeah pretty much

OpenStudy (sagewilson):

Oh alright, thank you for your help.

OpenStudy (vjt):

Yeah no problem

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