Which statement is not always true for a parallelogram? (a) opposite sides are congruent. (b) diagonals bisect each other. (c) it has 4 congruent angles. (d) consecutive angles are supplementary.

The incorrect statement about the properties of a parallelogram is: It has 4 congruent angles and this can be determined by using the properties of a parallelogram.

A quadrilateral having two pairs of parallel sides is known as the parallelogram.

Properties of a parallelogram are as follows:

Therefore, the incorrect statement is given by option C).

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(C) It has 4 congruent angles.

Step-by-step explanation:

A parallelogram is a four sided figure in which opposite sides are equal and parallel.

with is description we ca say that:

The consecutive angle add up to 180°. That means that they are supplementary.

The 4 angles are not congruent.

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step-by-step explanation:

9 sandwiches per hour

step-by-step explanation:

when we have a rate, we want a 1 in the denominator

27/3 = 9

27 sandwiches/ 3 hours = 9 sandwiches/hour