**Q4: **

Which of the following statements must be true about a parallelogram?

- AIt has four right angles.
- BIt has four sides of equal length.
- CIt has one pair of parallel sides.
- DIt has two pairs of parallel opposite sides.
- EIt has four congruent sides.

**Q5: **

How many altitudes are there in a parallelogram?

**Q6: **

In the figure shown, , , and . Determine and .

- A ,
- B ,
- C ,
- D ,

**Q7: **

Which of the following are a base and its corresponding altitude in the given parallelogram?

- A base: , altitude:
- B base: , altitude:
- C base: , altitude:
- D base: , altitude:

**Q8: **

In the figure below, given that is a parallelogram, find .

- A
- B
- C
- D

**Q9: **

is a parallelogram such that , , and . Determine the coordinates of vertex .

- A
- B
- C
- D
- E

**Q10: **

Find .

- A
- B
- C
- D

**Q11: **

Which of the following statements is not true?

- A Squares have four congruent angles and sides.
- B Opposite sides in a parallelogram are parallel.
- C Rhombuses have four congruent sides.
- D Parallelograms have exactly one pair of parallel sides.
- E Rectangles have four right angles.

**Q12: **

Find .

- A
- B
- C
- D

**Q13: **

Is the following statement true or false? In a parallelogram, there is a pair of opposite sides that do not have to be parallel.

- Afalse
- Btrue

**Q14: **

Find the lengths of and .

- A ,
- B ,
- C ,
- D ,

**Q15: **

In the figure, and are parallelograms. Find .

- A
- B
- C

**Q16: **

In parallelogram , suppose and . How are the lengths and related?

- A
- B
- C

**Q17: **

Given that is a parallelogram, find the area of triangle .

**Q18: **

In parallelogram , suppose . What is ?

**Q19: **

Determine whether this statement is true or false: All parallelograms are regular polygons.

- Afalse
- Btrue

**Q20: **

In the following figure is a parallelogram. What is the measure of ?

**Q21: **

Is the following statement true or false? In a parallelogram, opposite sides are parallel and equal in length.

- Atrue
- Bfalse

**Q22: **

is a parallelogram, where the coordinates of the points , , and are , , and , respectively. Find the coordinates of the vertex .

- A
- B
- C
- D

**Q23: **

Given that is a parallelogram, find .

**Q24: **

Which of the following statements correctly describes a property of the given shape?

- AIt is equilateral.
- BIt contains 2 pairs of perpendicular sides.
- CIt has 4 angles equal in measure.
- DIt contains 2 pairs of parallel sides.
- EIt has 2 sets of perpendicular and parallel sides.

**Q25: **

What is the sum of the sizes of any two consecutive angles in a parallelogram?

- A
- B
- C
- D