Which of the following statements about a parallelogram is

**NOT**true?Which of the following statements about a parallelogram is **NOT** true?

Detailed Explanation

A parallelogram is a quadrilateral with two sets of parallel sides. Opposite sides (a = c, b = d) and angles (red = red, blue = blue) are equal. The area of a parallelogram is base x height and the perimeter is the sum of the lengths of all sides (a + b + c + d).