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# Right triangles

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Joined: 09 Nov 2009
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Right triangles [#permalink]  09 Nov 2009, 13:24
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sorry for the semi dumb question, but can anyone help me.

I was wondering how to you find the sides of a right triangle if all you know is the angles.

For example. i know that Theta (θ) is 10° therefor the angles are 10°, 90°, 80°. what would the sides be?

(sorry if i posted in the wrong area i am new to this web site.)
CEO
Joined: 17 Nov 2007
Posts: 3574
Concentration: Entrepreneurship, Other
Schools: Chicago (Booth) - Class of 2011
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Re: Right triangles [#permalink]  09 Nov 2009, 17:21
Expert's post
You don't need to know that for GMAT. What you need to memorize is right triangles with integers:

3:4:5 - 30:60:90 (angles) - the most important right triangle in GMAT
5:12:13
6:8:10
8:15:17
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Re: Right triangles   [#permalink] 09 Nov 2009, 17:21
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