Polygons And Quadrilaterals Worksheet - Unit 9, Humble Independent School District Page 22

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29. In rhombus ABCD,
is 120°. What is
?
m∠
DCB
m∠
ABD
A 20°
B
30°
C
60°
D
120°
30. Choose the best counterexample for the conditional statement below:
“If a quadrilateral has a pair of parallel sides and a pair of congruent sides, then the
quadrilateral is a parallelogram.”
A
B
C
D
31. The figure shows Rectangle ABCD.
What is the length of AD and DC ?
A AD = 31 and DC = 44
B AD = 8 and DC = 6
C AD = 10 and DC = 26
D AD = 30 and DC = 10
33. The figure below shows interior angles of a quadrilateral. Find the value of x that would
make the figure a parallelogram.
Record your answer in the grid provided.
34.

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