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Because the corners of both rectangles and squares are 90 degrees (right angles) - and opposite sides of rectangles and squares are always parallel !

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12y ago

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What has 4 right angles and 2 pairs of parallel sides?

A rectangle has 4 right angles and 2 pairs of parallel sides.


What has 2 parallel sides and all angles are right angles?

a rectangle or a square


Is a squares a rectangle and why?

No because a rectangle is parallel lines and a square is four right angles.


Why does a square is a rectangle?

A square fulfills all the properties of a rectangle: four sides; opposite sides are parallel; all angles are right angles.


When is a square not a rectangle?

A square has 4 equal sides, and 4 equal angles and are considered paralellagrams A rectangle has 4 equal angles but not necessarily 4 equal sides, it is also a parallelagram.. On a square all sides are congruent, while in a rectangle only opposite sides are. So when is a square not a rectangle? what defines a rectangle and a square, each shape has to have 4 right angles. the sides are parallel and that in a square all four sides are congruent while in a rectangle only the opposite sides are congruent. So a rectangle must have opposite sides that are parallel and equal and four right angles. A square must have opposite sides parallel, all sides congruent, and four right angles. a rectangle is a parallelogram with four right angles, while a square is a parallelogram with four congruent sides and four right angles. By this definition a rectangle is a square since it has opposite sides that are congruent and parallel and it has four right angles. The question is, why a rectangle is not a square? A rectangle is not a square because it is not required to have four congruent sides.


You are a quadrangle you have two pairs of parallel sides All of your angles are right angles you are not a square What are you?

a rectangle


You are a quadrangle. you have 2 pairs of parallel sides. all your angles are right angles. you are not a square?

You are a rectangle?


You are a quadrangle you have two pairs of parallel sides all of your angles are right angles and you are not a square?

a rectangle?


What quadrangle has 2 pairs of parallel sides all angles are right angles and is not a square?

You are a rectangle


You are a quadrangle you have 2 pair of parallel sides all your angles are right angles you are not a square?

A rectangle.


Why is a square also identified as a rectangle?

A square is identified as a rectangle because a rectangle needs to have 2 pairs of parallel sides and 4 right angles. A rectangle is not a square because it does have 4 right angles but it does not have 4 equal sides.


A quadrilateral with opposite sides parallel and congruent and all the angles are right angles?

Rectangle or square. If all the sides are the same size then it is a square. if not, it is a rectangle.