* DS:Are triangles abc and pqr congruent?

by **tejal** Mon Oct 20, 2008 6:38 am

Are triangles abc and pqr congruent?
1. they both have equal bases and equal heights.
2. both are isoceles triangles.

correct ans is E i.e neither of the statements are sufficient.Could someone pls explain?

by **Guest** Mon Oct 20, 2008 5:53 pm

areas are same, but not all sides. Remember congruency means all 3 angles and all 3 sides are equal.
By A: Base is same, but height same does not mean that the angle between the 2 sides is 90. B does not provide any info either; sides may still be equal but with diff engulfed angles.

by **RonPurewal** Wed Nov 05, 2008 5:05 am

hi -

please CITE A SOURCE for this problem, per the forum rules. if you don't, we'll be forced to delete the thread soon, because of copyright issues.

thank you.