Ray PQ and PR are perpendicular to each other. points B and A are in the interior and exterior of angle QPR respectively. ray PB and ray PA are perpendicular to each other.
1) a pair of complementary angles.
2) a pair of supplementary angles.
3) a pair of congruent angles.
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Step-by-step explanation:
angle APR angle RPB Complementary
angle QPR angle APB supplementary
above all angles are congruent
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