SOLUTION: In paralellogram PQRS, angle Q is a right angle. Is PQRS a rectangle ?

SOLUTION: In paralellogram PQRS, angle Q is a right angle. Is PQRS a rectangle ?

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Question 615494: In paralellogram PQRS, angle Q is a right angle. Is PQRS a rectangle ?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Yes, this is because opposite angles in a parallelogram are congruent. The adjacent angles are supplementary. Since one angle is 90, the other angle must be 90. So this points to the fact that all angles must be 90 degrees.
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