# My quadrilateral has congruent diagonals. What must it be?

##### 1 Answer

Nov 21, 2015

#### Answer:

Your quadrilateral must be an isosceles trapezoid.

#### Explanation:

Note that rectangles and squares also always have congruent diagonals, but an isosceles trapezoid is the most general term for all the possibilities, since rectangles and squares are isosceles trapezoids in addition to having their own unique properties.