Prove that any side of a triangle is produced then the extorior angle is formed equal to the interior opposite angle
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A related theorem. Because anexterior angle is equal to the sum of the opposite interior angles, it follows that it must be larger than either one of them. Stated more formally: Theorem: An exterior angle of atriangle is always larger then eitheropposite interior angle.
A related theorem. Because anexterior angle is equal to the sum of the opposite interior angles, it follows that it must be larger than either one of them. Stated more formally: Theorem: An exterior angle of atriangle is always larger then eitheropposite interior angle.
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