Question
In parallelogram PQRS, diagonals PR and QS intrsect at M. Which is always true?
(1) PR is perpendicular to QS
(2) PM is congruent to RM
(3) PQ is congruent to QR
(4) triangle PMS is congruent to triangle PMQ
(1) PR is perpendicular to QS
(2) PM is congruent to RM
(3) PQ is congruent to QR
(4) triangle PMS is congruent to triangle PMQ
Answers
Reiny
obviously (2)
Sarah
But it does not say that M is the midpoint?
Reiny
One of the fundamental properties of a parallelogram is that its diagonals bisect each other
Sarah
Oh, I understand. Thank you!