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A rectangle and a square are two types of quadrilaterals having four equal angles, where each of them equals a right angle.

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Q: Which quadrilateral must have four congruent angles?
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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.


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.


Can a quadrilateral be a parallelogram is the diagonals are congruent but the quadrilateral has no right angles?

No. If the diagonals of a parallelogram are congruent then it must be a rectangle (or square).


What quadrilateral must have exactly one pair of congruent angles?

A kite or arrowhead.


How many angles does a quadrilateral have?

A quadrilateral has four angles. There are always the same number of angles as there are sides, so since a quadrilateral has four sides it must also have four angles.A quadrilateral doesn't "do" any angles. However, it has four angles. (If that is what you wanted to know.)


What quadrilaterals have 4 congruent sides and 4 congruent angles?

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.


What is the name of a parallelogram with 4 right angles but not four congruent angles?

4 right angles, by definition, are four angles of the same measure, and therefore must be congruent angles.


Which quadrilateral must have four congruents?

A square and a rhombus both have 4 congruent sides but a square has 4 equal interior right angles whereas a rhombus has 2 obtuse and 2 acute interior angles


A series of transformations on quadrilateral S resulted in quadrilateral T. The angles of quadrilateral S and T are congruent but the sides of quadrilateral T are twice as long as quadrilateral S. Whi?

A series of transformations on quadrilateral S resulted in quadrilateral T. The angles of quadrilateral S and T are congruent but the sides of quadrilateral T are twice as long as quadrilateral S. Which transformation on quadrilateral S must be included to result in quadrilateral T * sorry thats the full question!


Angles that are congruent and supplementary must be?

Angles that are congruent and supplementary must be right angles.


Can a trepoize have a four obtuse angles?

No because the total angles in a quadrilateral must not exceed 360 degrees.


Which quadrilateral must have all four angles of equal measure?

a square or a rhombus