For items 1-5. Analyze each statement and identify the truth value of each statement. Write ALWAYS TRUE, SOMETIMES TRUE, or NEVER TRUE on the blank.

 

1. All parallelograms are quadrilaterals. ________________________

For items 1-5. Analyze each statement and identify the truth value of each statement. Write ALWAYS TRUE, SOMETIMES TRUE, or NEVER TRUE on the blank.

2. A square is a rectangle. ________________________

3. Every rhombus is a rectangle. ________________________

4. A trapezoid is a parallelogram. ________________________

5. A rhombus is a square. ________________________

 

6. Which of the following is sufficient to guarantee that a quadrilateral is a parallelogram?

• At least two adjacent sides are equal in length.
• The diagonals bisect each other at right angles.
• All sides are equal in length.
• The diagonals bisect each other

7. I am a parallelogram that has four equal sides and four right angles as my special characteristics. Who am I?

• Trapezoid
• Rectangle
• Square
• Rhombus

8. Which of the following conditions is not sufficient to prove that a parallelogram is a

quadrilateral?

                              

• B. Diagonals bisect each other.

• A. Two angles are supplementary.

• C. Both pairs of opposite sides are parallel.

• D. Both pairs of opposite sides are congruent.les are right angles.

9. Which statement is true about a parallelogram?

.

• D. In a parallelogram, opposite angles are always 45 degrees.
• A. In a parallelogram, consecutive angles measure 60 degrees.
• B. In a parallelogram, all sides are of different lengths.
• C. In a parallelogram, opposite angles are congruent.

10. How do you describe any two consecutive angles in a parallelogram?

• A. They are supplementary.
• They are equal in measure.
• They are both acute angles.
• They are complementary angles.