1. Which statement is NOT true?
A A rhombus is always a parallelogram.
B. A trapezoid ia sometimes a parallelogram.
C. A square is always a rhombus.
D. A parallelogram a sometimes a rectangle.
A trapezoid is NOT a parallelogram because a parallelogram have 2 pairs of parallel sides. But a trapezoid/trapezium only has 1 pair of parallel sides.