17. Why is rhombus might be considered as a subset of parallelogram?
A. Because it has two pairs of parallel sides
B. Because it has one pair of parallel sides
C. Because it has four right angles
D. Because it has four equal sides.

18. Why is parallelogram not a rhombus?
A. Because parallelogram is a quadrilateral.
B. Because parallelogram has 4 equal sides.
C. because parallelogram does not have 4 equal angles.
D. because parallelogram does not have 4 equal sides

19. Which of the following statements is true about square and rectangle?
A. Both square and rectangle have right angles.
B. Both square and rectangle have equal lengths of sides.
C. Every rectangle is a square but every square is not a rectangle.
D. Rectangle is a special case of a square.

20. What makes parallelogram and trapezoid related?
a. They are quadrilaterals.
b. They have two pairs of parallel sides.
c. They have one pair of parallel sides.
d. They have four right angles.​