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Private Library
Geometry 6-2 Properties of Parallelograms
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by Matthew Richardson
| 24 Questions
Note from the author:
A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.
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1
10 pts
Solve It! Use the information given in the diagram. Which triangles are congruent? How do you know?
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10 pts
Problem 1 Got It?
A
B
C
D
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20 pts
Problem 2 Got It? Complete the proof on the canvas.
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10 pts
Problem 3 Got It?
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B
C
D
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10 pts
Problem 3 Got It?
A
B
C
D
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10 pts
Problem 4 Got It?
A
B
C
D
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5 pts
Find m∠A.
Enter only a number.
8
5 pts
Find m∠D.
Enter only a number.
9
5 pts
Find x.
Enter only a number.
10
5 pts
Find AB.
Enter only a number.
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11
5 pts
Find ED.
Enter only a number.
12
5 pts
Find FD.
Enter only a number.
13
10 pts
Reasoning: If you know one angle measure of a parallelogram, how do you find the other three angle measures? Explain.
14
10 pts
Compare and Contrast: What is the difference between a quadrilateral and a parallelogram?
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15
10 pts
Error Analysis: Your classmate says that QV = 10. Explain why the statement may not be correct.
16
10 pts
Review Lesson 6-1: Match the interior angle sums on the left with the with the polygons on the right. Not all angle sums will be used.
• decagon
• 16-gon
• 25-gon
• 40-gon
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17
10 pts
Review Lesson 4-6: What additional information do you need to prove the congruence statement below using the HL Theorem?

DC = BC
∠DCA and ∠BCA are right angles
∠DAC ≅ ∠BAC
18
10 pts
Review Lesson 6-3: Two consecutive angles in a parallelogram have measures x + 5 and 4x - 10. Find the measure of the smaller angle. Enter only a number.
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19
10 pts
Enter only a number.
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10 pts
Enter only a number.
21
10 pts
complementary
supplementary
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10 pts
comlementary
supplementary
23
10 pts
Use Your Vocabulary: Use the diagram above to match consecutive angles.
• ∠F