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A parallelogram with a right angle is a rectangle.

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Q: What attribute makes a rectangle a special parrallelogram?

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A trapezoid is a quadrilateral which must have one pair of parallel sides. If the other pair of sides is also parallel then it is a parallelogram.

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Because it is a regular 4 sided quadrilateral having 4 equal sides and 4 equal interior right angles

A rectangle is a special form of parallelogram that has adjacent sides perpendicular to each other or all the inside angles are 90 degrees.

A trapezoid is a four-sided figure with two opposite sides parallel. A rectangle (and also a parallelogram) is a trapezoid but BOTH pairs of opposite sides are parallel.

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A trapezoid is a quadrilateral which must have one pair of parallel sides. If the other pair of sides is also parallel then it is a parallelogram.

W

Because it is a regular 4 sided quadrilateral having 4 equal sides and 4 equal interior right angles

They are what makes it a rectangle. The rectangle is a special kind of parallelogram. The perpendicular lines cause it to be called a rectangle.

A square is a rectangle in which all the sides are the same length.

It is a right angled parallelogram.

A rectangle is a special form of parallelogram that has adjacent sides perpendicular to each other or all the inside angles are 90 degrees.

A rectangle is defined as "a parallelogram with one right angle" A parallelogram is defined as "a quadrilateral with opposite sides equal and parallel" This makes a rectangle a sort of second-generation quadrilateral!

Sometimes it is not one attribute but a combination of attributes that makes the business different. Uniqueness is the key to differentiating your business from all the others that are focused on your target market.

The main difference between a rectangle and a parallelogram that makes rectangle a special case of the parallelogram is the fact that all the angles of a rectangle are equal to 90 degrees. This is not the case in a parallelogram because the adjacent angles are only supplementary to each other.

A trapezoid is a four-sided figure with two opposite sides parallel. A rectangle (and also a parallelogram) is a trapezoid but BOTH pairs of opposite sides are parallel.

"Many geometric shapes have an attribute that makes them unique." (see related link)

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