2. What is the sum of the interior angles of a quadrilateral?
a. 180°b. 360° c. 540° d. 720

3. Consecutive angles of parallelogram are __________________.
a. complementary
b. supplementary
c. adjacent
d. congruent

4. A quadrilateral with exactly one pair or parallel sides
a. square b. trapezoid c. rectangle d. rhombus

5. Which of the following statements is true?
a. Every square is rectangle
c. Every rectangle is a square
b. Every rhombus is a rectangle
d. Every parallelogram is a rhombus

6. Which of the following statements could be false?
a. The diagonals of rectangle are congruent.
b. The diagonals of an isosceles trapezoid are congruent.
c. The diagonals of a square are perpendicular & bisect each other.
d. The diagonals of rhombus are congruent and perpendicular to each other.

7. Which of the following quadrilaterals has diagonals that do not bisect each other?
a. square b. rhombus c. rectangle d. trapezoid

8. 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

Sana po May Makatulong :)
NONSENSE = REPORT

Mathematics Grade 9 About Geometry (Angles and Parallelogram)
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