You can put this solution on YOUR website! given: angles ABC is a right angle
prove: angle 1 and angle 2 are complementary
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Draw the triagle so the side opposite the 90 degree angle is the base.
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Draw a line parallel to the base passing thru the vertex of the right angle.
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Notice that each leg of the triangle forms a transversal between
the two parallel lines.
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Use alternate interior angles to prove what you need to prove.
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Cheers,
Stan H.
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