1. How do you describe any two opposite angles in a parallelograin?
a. They are always congruent.
b. They are supplementary.
c. They are complementary.
d. They are both right angles.
2. Which of the following statement is true?
a a trapezoid can have four equal sides.
b. A trapezoid can have three right angles,
c. The base angles of an isosceles trapezoid are congruent.
d. The diagonals of an isosceles trapezoid bisect each other.
3. Which of the following conditions is not sufficient to prove that a quadrilateral is a parallelogram?
a. Two pairs of sides are parallel.
b. Two pairs of opposite sides are congruent.
c. Two angles are supplementary,
d. Two diagonals bisect each other.
4. Which of the following statement is true?
a. Every square is a rectangle.
b. Every rectangle is a square.
c. Every rhombus is a rectangle,
d. Every parallelogram is a rhombus.
5. If both diagonals in a parallelogram bisect each other, then what conclusion can you provide
a. They are supplementary,
b. They are complementary.
c. They are congruent.
d. They will prove that the quadrilateral is not a parallelogram.
6. Two consecutive angles of a parallelogram have measure (x + 30) and [12(-30). What is the measure of the
smaller angle?
d 1400
a. 30
b. 800
0 1000
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