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The quadrilaterals with all angles congruent are rectangles and squares. They are the only quadrilaterals in which all four angles are right angles.

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Related Questions

What quadrilateral has all sides congruent but not all angles congruent?

Is a rhombus.


What quadrilateral has 4 congruent sides but not all angles congruent?

rombus


What is a quadrilateral with all sides congruent and opposite angles congruent?

A square


If a quadrilateral has four congruent sides but its adjacent angles are not congruent then the quadrilateral is a?

An impossibility. By definition a quadrilateral with 4 congruent sides must have congruent adjacent angles.


Is a quadrilateral with 4 congruent sides and 4 congruent angles convex?

Yes, if a quadrilateral has 4 congruent sides and 4 congruent angles, it is a square. Since it is a square, all angles are 90o. Since there are no angles above 180o, it is convex.


What are all the names of all the quadrilateral with pictures?

Rectangle: A quadrilateral with 4 right angles, diagonals congruent/bisecting, and opposite sides congruent, BUT ADJACENT SIDES ARE NOT CONGRUENT. Rhobus: A quadrilateral with opposite congruent angles, but adjacent angles are Not congruent, perpendicular bisecting diagonals and 4 congruent sides. Square: A quadrilateral that is a rectangle and a square with 4 right angles, diagonals congruet/bisecting that ar perpendicular, and opposites sides congruent.


How many congruent angles does a quadrilateral have?

they have 4 congruent angles


Can a quadrilateral with all congruent sides have no right angles?

Yes. It is still a quadrilateral as long as it still has four sides, and they can be congruent if all of the sides are equal. It does not mean that All of the angles have to be right.


Which quadrilateral has 4 congruent sides and 4 right angles?

A quadrilateral has 2 pair of congruent angles and 4 congruent sides. What is the name of the quadrilateral


If both pairs of opposite angles of a quadrilateral are congruent then the quadrilateral is not a parallelogram?

False. If both pairs of opposite angles of a quadrilateral are congruent then the quadrilateral is a parallelogram.


What is a quadrilateral with four congruent angles (all 90).?

rectangle


If one pair of opposite angles of a quadrilateral are congruent and one pair of opposite angles are congruent then is the quadrilateral a parallelogram?

For the quadrilateral to be a parallelogram, both pairs of opposite angles must be congruent.