073_088_CC_A_RSPC3_C05_662332.indd

Since ∠2 and ∠8 are alternate exterior angles, m. ... • Every triangle also has three angles. The sum of the measures of the angles is 180°. ... You can use the Pythagorean Theorem to find the length of a side of a right triangle if the lengths of the other two sides are known. ................
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