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Yes, opposite angles in a parallelogram must be equal.

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Yes

Q: Are opposite angles in a parrallelogram equal?

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a parallelogram has parallel opposite sides and its opposite angles are congruent

A rhombus has 4 equal sides but no right angles

The opposite sides in a parallelogram are parallel and the same length. However, they are not angles at 90 degrees (right angles).

A parallelogram has opposite sides equal and parallel. A rectangle means the angles are all 90o as well as opposite sides being equal and parallel A rhombus means all sides are equal in length as well as opposite sides being parallel A parallelogram with angles of 90o (also a rectangle) and all sides equal (also a rhombus) is a square.

yes opposite angles are equal

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Opposite angles of a parallelogram are congruent.

a parallelogram has parallel opposite sides and its opposite angles are congruent

Yes, both pairs of opposite angles in a parallelogram are congruent.

A rhombus.

-- four sides -- four angles -- opposite sides are equal -- opposite sides are parallel -- opposite angles are equal -- adjacent angles are supplementary -- sum of interior angles is 360 degrees -- sum of exterior angles is 360 degrees -- area = (length of the base) x (height) -- can always be formed with two triangles -- diagonals bisect each other

A rhombus has 4 equal sides but no right angles

Congruent.

The opposite sides in a parallelogram are parallel and the same length. However, they are not angles at 90 degrees (right angles).

The opposite sides of a parallelogram are of equal length.

Yes, a square would be a parrallelogram because its opposite sides are equal in length and its a polygon(4 sided shape). Also its a parrallelogram because its opposite sides arn't just equal but they are also both parallel.So, Yes squares are parrallelograms.

A parallelogram has opposite sides equal and parallel. A rectangle means the angles are all 90o as well as opposite sides being equal and parallel A rhombus means all sides are equal in length as well as opposite sides being parallel A parallelogram with angles of 90o (also a rectangle) and all sides equal (also a rhombus) is a square.

yes opposite angles are equal