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Right triangle (view source)

Revision as of 16:36, May 6, 2007

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~~This article was blanked by icewedge for no reason~~.

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[[Image:Rtriangle.svg|thumb|A typical right triangle]]

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A right triangle has three sides and an angle that equals 90º.

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The general right triangle is the subject of one of the more famous mathematical ideas, the [[Pythagorean Theorem]]. It states that the sum of the squares on the legs (short sides) of a right triangle is equal to the square on the hypotenuse (the long side, opposite the right angle). Using the figure to the right, this means:

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:<math>a^2 + b^2 = c^2</math>

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The analysis of ratios between sides of right triangles with hypotenuse = 1 is at the heart of [[trignometry]].

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[[category:geometry]]

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