Question

Which of the following is true of a parallelogram?

It is also a rectangle.
The sum of its angle measures is 360°.
It always has four congruent angles.
Opposite sides are congruent.

Answer 1

if it was always a rectangle it would be called a rectangle, so forget that one

Answer 2

Do you know the basic concepts of Paralelogram

Answer 3

The sum of its angle measures is 360°. is always true for sure

Answer 4

also i believe this
Opposite sides are congruent.
must be true if "congruent" means of equal length