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A square.

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15y ago
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Q: What is a rectangle with four congruent sides and four right angles?
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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.


Which quadrilater has opposite sides congruent and 4 right angles but not all sides congruent?

rectangle


Parallelogram with right angles but not four congruent sides?

Rectangle.


What has 2 pairs of congruent sides and right angles?

rectangle


Which quadrilateral has opposite sides congruent and 4 right angles but not all sides congruent?

A rectangle.A rectangle.A rectangle.A rectangle.


What has four sides opposite sides and angles are congruent and has four right angles?

both a rectangle and square.


Is every rectangle with 4 congruent sides a square?

Yes. Every rectangle has 4 sides and 4 right angles. A rectangle that has 4 congruent sides is therefore a square.


Parallelogram with congruent sides and all right angles?

All sides congruent = square Two pairs of mutually congruent sides = rectangle


What has four right angles and two pairs of congruent sides?

a rectangle......


Which quadrilateral has four right angles but does not have four congruent sides?

Rectangle.


Has four congruent angles?

It could be an irregular polygon with 5 or more sides or a rectangle or square.


How can you prove that a rectangle is really a rectangle?

In a rectangle, all the opposite sides, and angles are congruent to each other. All 4 angles of the rectangle, are right angles.