# Chapter 8 Review : Question Preview (ID: 3366)

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Theorem 8.3 and 8.4 say that opposite ______ and opposite ______ of a parallelogram are congruent
a) Sides
b) Measures
c) Angles
d) both sides and angles

Theorem 8.5 says that consecutive angles in a parallelogram are ________
a) supplementary
b) congruent
c) complementary
d) none of the answers are correct

Theorem 8.6 says that if a parallelogram has one ______ angle, it has four ______ angles.
a) congruent
b) right
c) similar
d) parallel

Theorem 8.7 states that ______ of a parallelogram bisect each other.
a) vertical angles
b) parallel lines
c) diagonals
d) none of the answers are correct

Theorem 8.8 states that a diagonal separates a parallelogram into _____ congruent triangles.
a) 4
b) 3
c) 2
d) 1

Theorem 8.9 states that if both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a ________
a) triangle
b) square
c) rectangle
d) parallelogram

Theorem 8.10 states that if both pairs of opposite _______ of a quadrilateral are congruent, then the quadrilateral is a parallelogram
a) diagonals
b) angles
c) sides
d) measures

Theorem 8.11 states that if the diagonals of a quadrilateral ______ each other, then the quadrilateral is a parallelogram
a) meet
b) intersect
c) bisect
d) never touch

Theorem 8.12 states that if one pair of ________ ______ of a quadrilateral is both parallel and congruent, then the quadrilateral is a parallelogram
a) opposite angles
b) opposite sides
c) sides
d) angles

Theorem 8.13 states that if a parallelogram is a ________, then the diagonals are congruent.
a) square
b) rhombus