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.

2.   2 3/5.

3.   2 1/2.

step-by-step explanation:

6 - 3 2/5

= 6 -   17/5

= 30/5 - 17/5

= 13/5

= 2 3/5 (answer).

5 1/4 - 2 3/4

= 21/4 - 11/4

= 10/4

= 2 1/2 (answer).

where are the choices?