Question

Is a rhombus with congruent diagonals a square?

Answer 1

yes

Answer 2

thanks for the picture!

Answer 3

All triangles formed by 2 sides of the rhombus and a diagonal are congruent.

Answer 4

With that you can show that for each triangle, the sum of two congruent angles equals the measure of the third angle. That makes the larger angle a right angle. Then it's a square.

Answer 5

wlcm