15.4 Closure

Quiz by Kristina Haley

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3 questions
• Q1
Consider rhombus ABCD with diagonals AC and BD intersecting at point X. In proving that the diagonals of a rhombus bisect a pair of opposite angles, what is the reason ∠ABD≅∠CBD?
CPCTC
Definition of a rhombus
SSS Congruence Postulate
SAS Congruence Postulate
30s
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• Q2
In parallelogram ABCD, AC=14 and BD=2x+4. What value of x makes this parallelogram a rectangle?
81
14
5
36
30s
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• Q3
Given quad ABCD is a rhombus and m∠ABD = 32°. Find the measure of angle 3.
58°
32°
16°
90°
30s
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