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To solve for a 30-60-90 triangle also called a right angled triangle, we use different formulas:

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There is a special relationship among the measures of the sides of a 30°-60°-90° triangle.

In a 30°-60°-90° triangle, the length of the hypotenuse is twice the
length of the shorter leg, and the length of the longer leg is Root 3 times the length of the shorter leg.

Another simple rule is this:

Height^2 + Adjacent ^2 = Hypotenuse ^2

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Oct 30th, 2015

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