1.The parallelogram is a quadrilateral in which its two diagonals
A.Equal in length
B.Perpendicular
C.Bisect each other
D.Perpendicular and equal in length

2.Which of the ff.
is NOT
true about a parallelogram?
A. It's opposite sides are parallel
B.The sum of its interior angles is 360.
C.A rectangle is a parallelogram
D.A quadrilateral is a parallelogram