Which quadrilaterals always have consecutive angles that are supplementary?

The quadrilaterals which have supplementary consecutive angles are called Parallelogram.

Explanation:

A parallelogram is a type of quadrilateral which has two parallel sides on each opposite sides which are equal and the opposite angles in a parallelogram are also equal.The consecutive angles of a parallelogram are supplementary meaning that the sum of the consecutive angles in a parallelogram is equal to 180 degrees. The overall sum of all the angles in a parallelogram is 360 degrees as it is a quadrilateral.The diagonals of the parallelogram bisects each other and divides the parallelogram into equal halves.

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