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A rectangle is a quadrilateral with 4 sides and 4 right angles. A square is a special form of rectangle, and it meets that criterion. But it is also equilateral, meaning its sides are all the same length (are all equal). It is a rectangle or a square. A square is a special type of rectangle with all sides having equal length. Here is a a nice chart showing the quadralaterals. http://content.answers.com/main/content/wp/en/f/f1/Quadrilateral_hierarchy.png

A quadrilateral where each angle is a right angle is known as an oblong.

Q: What is a quadrilateral where each angle is a right angle?

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It is a square or a rectangle where each interior angle is a right angle of 90 degrees.

A rectangle, or could be a square if lengths are the same.

A regular quadrilateral is a square and each angle is 90 degrees (i.e. a right angle).

A quadrilateral can have four right angles.

Quadrilateral means four sides. Four right angles and four sides is a rectangle and if the sides are equal length it is a square.

Related questions

That is called a rectangle.

A rectangle or a square.

a square or a rectangle

It is a square or a rectangle where each interior angle is a right angle of 90 degrees.

A square or a rectangle

A quadrilateral with all right angles is a rectangle.

A rectangle, or perhaps a square.

A square or a rectangle

rectangle

A rectangle, or could be a square if lengths are the same.

Either a square or a rectangle

a quadrilateral with no right angle is?