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Q: Is a parallelogram a quadrilateral with four right angles?

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a parallelogram

A rectangle is classed as a 4 sided quadrilateral in math.

A quadrilateral can have four right angles.

A square has all the properties of a rectangle and rhombus. (A square is always a rectangle.) A rectangle is not always a square but is always a parallelogram. A parallelogram is a quadrilateral (four sided figure) with both pairs of opposite sides are parallel. A rectangle is a quadrilateral with four right angles.

A parallelogram with four right angles is a rectangle; if the rectangle also has four equal sides, then it is known as a square.

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a parallelogram

A quadrilateral with no right-angles would be a rhombus (or parallelogram) A rhombus has four sides, with opposite corner angles equal.

-- Every quadrilateral has four sides.-- If it has no right angles, then it could be a parallelogram, a rhombus,a kite, a trapezoid, or any non-regular quadrilateral.

Parallelogram with four right angles and four equal sides is a square.

False

A rectangle is actually a parallelogram, or a quadrilateral with two pairs of parallel sides. The thing about a rectangle is that it not only has two parallel sides, it has four right angles. Therefore, the answer to your question is: A rectangle is a parallelogram with four right angles.

A rectangle is classed as a 4 sided quadrilateral in math.

A rectangle is also a polygon, a parallelogram, and a quadrilateral with four right angles.

A parallelogram is a quadrilateral (four-sided polygon) with two pairs of parallel sides. By definition, a parallelogram does not need to have all right angles. Think of rhombuses, which do not have any right angles, yet are parallelograms. Therefore, the answer is no.

Not necessarily. A parallelogram is a quadrilateral with 2 sets of 2 parallel sides. Only rectangles and squares have right angles as all four angles - a rectangle is a "special" parallelogram that has all four angles equal; a square is a "special" rectangle that has all four sides of equal length.

An quadrilateral, which may be a trapezium, parallelogram or kite, but not a rectangle or square

No. A square fits the classification of a quadrilateral and a parallelogram, but that isn't necessarily the definition. A rhombus is a quadrilateral and a parallelogram, and so are other irregular quadrilaterals. The correct definition would be a parallelogram and a quadrilateral with four right angles and all equal sides.

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