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11111nata11111 [884]
1 year ago
11

In a parallelogram PQRS, if angle P = (2x+25) degrees and angle Q = (3x-5) degrees, then write the measures of angle S and angle

R.
Mathematics
1 answer:
krek1111 [17]1 year ago
6 0

Consecutive angles of a parallelogram are supplementary, so:

2x+25+3x-5=180\\5x+20=180\\5x=160\\x=32

This means m\angle P=2(32)+25=89^{\circ} and that m\angle Q=3(32)-5=91^{\circ}.

Since opposite angles of a parallelogram are congruent,

\boxed{m\angle S=91^{\circ}, m \angle R=89^{\circ}}

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