Mathematics

# Congruent angles

2

##### SOLUTION
The pair of Congruent angles are:
$1.\angle QPR \equiv \angle BPA$ [each angle is $90^0$]
$2. \angle QPR = \angle BPA$ [as given]
$\angle QPB +\angle BPR=\angle BPR+\angle RPA$ [using addition property]
so, $\angle QPB = \angle RPA$
i.e. $2$ pairs.

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