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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.

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.

that's a square

Square

A rectangle is a quadrilateral with four sides. All angles are right angles, the diagonals are congruent, and the opposite sides are all equal. A rhombus (diamond) is a quadrilateral with congruent daigonals and equal angles.

It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.It will always be one. If all angles are congruent, there will be four right angles, forming a rectangle. A rectangle is also a parallelogram.

A rectangle is a quadrilateral with opposite sides parallel and congruent and four right angles. If all four sides are congruent, it is a square.

A shape that has four straight sides and four angles is defined as a quadrilateral. If all four angles are right angles, it is a rectangle, and if all four sides are congruent, it is a square.

A square and rectangle all fit this description.

rhombus

Is a rhombus.

Not sure what a "quadrilaters" is. A quadrilateral is a plane (2-dimensional) figure with four straight sides. It can have all four angles different. It can have two congruent angles (kite), 3 congruent angles (no specific name), 2 pair of two congruent angles (parallelogram/rhombus), or four congruent angles (rectangle/square).

A rhombus is a quadrilateral whose four sides are congruent. Squares are a type of rhombus with congruent angles. Since there are 4 contruent angles, they must all be right angles.So any quadrilateral that is equilateral is a rhombus and any rhombus with 4 right angles is a square. Every rhombus is a parallelogram because the opposite angles of a rhombus are congruent. Also, the diagonals of a rhombus are perpendicular.

A rectangle has four right angles. A square also has 4 right angles, but it is a only a square and not a rectangle if all of the sides are congruent.

A regular quadrilateral. A plane shape with four sides which are equal in length and which meet at right angles.

rombus

A square

If all adjacent angles are congruent, it can only be a rectangle (or square).

A Rhombus is:A quadrilateralAll sides equalOpposite sides parallelA Rhombus is a quadrilateral, therefore its interior angles sum to 360°If all the interior angles are congruent they are all 360° ÷ 4 = 90°Thus a Rhombus will 4 congruent angles is:A quadrilateralAll sides equalOpposite sides parallelAll angles equal (to 90°)This is the the definition of a Square. A Square is a "special" Rhombus with all angles equal.

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.

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.

This is all about the vocabulary. First, quadrilateral, ok so a quadrilateral is a shape with four sides. Next, congruent; congruent basically means equal. So we can say what shape has four equal sides and right angles? Your basic shapes with four sides would be a trapezoid, a parallelogram, a rhombus, a rectangle or a square. The square is the only one of these that fits.

It is called a square.

square

In all parallelograms, opposite angles and opposite sides are congruent. If all four sides are congruent, it's a rhombus. If all four angles are congruent, it's a rectangle. If all four sides and all four angles are congruent, it's a square.