Geometry 4-3 Complete Lesson: Triangle Congruence by ASA and AAS
By Matthew Richardson
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Last updated over 3 years ago
21 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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Question 1
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Solve It! Oh no! The school's photocopier is not working correctly (again!). The copies all have some ink missing. The two photocopies shown are of the same geometry worksheet. Which triangles are congruent?
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Question 2
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Take Note: Summarize The Angle-Side-Angle(ASA) Postulate. You may also use the canvas to illustrate your explanation.
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Question 3
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Problem 1 Got It?
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Question 4
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Problem 2 Got It? Complete the proof on the canvas.
You may also complete your work on paper or on a whiteboard and upload a clear picture of it to the canvas.
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Question 5
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Take Note: Summarize The Angle-Angle-Side(AAS) Theorem. You may also use the canvas to illustrate your explanation.
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Question 6
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Problem 3 Got It? Complete the proof on the canvas.
You may also complete your work on paper or on a whiteboard and upload a clear picture of it to the canvas.
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Question 7
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Problem 4 Got It? Are △PAR and △SIR congruent?
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Question 9
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Question 10
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Question 11
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Question 12
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Question 14
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Error Analysis: Your friend asks you for help on a geometry exercise. Shown is your friend's paper. What error did your friend make? Explain.
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Question 15
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Reasoning: Suppose ∠E ≅ ∠I and segment FE ≅ segment GI.
What else must you know in order to prove △FDE ≅ △GHI by ASA? by AAS?
You may use the canvas to show your work.
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Question 16
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Review Lesson 4-2: Would you use SSS or SAS to prove the triangles congruent?
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Question 17
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Review Lesson 4-2: Would you use SSS or SAS to prove the triangles congruent?
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Question 18
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Vocabulary Review: Fill in the blank. Enter only a number.
A triangle is a polygon with __?__ sides.
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Question 19
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Vocabulary Review: Fill in the blank with one of the following words: obtuse, right, or scalene.
A triangle with a right angle is called a(n) __?__ triangle.
Enter only one word, no spaces.
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Question 20
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Use Your Vocabulary: Use the diagram to match corresponding angles and segments below.
