1
Identify congruent plane figures
Recognize figures that have the same shape and size.
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Geometric Twins
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2
Use superposition idea
Explain congruence by matching one figure exactly over another.
3
Distinguish congruent from similar-looking figures
Avoid calling figures congruent when size or shape differs.
4
Match corresponding sides and angles
Identify corresponding parts in congruent figures.
5
Use congruent notation meaningfully
Read and interpret congruence statements in correct order.
6
Find missing measures using congruence
Use corresponding equal parts to find unknown side or angle measures.
7
Apply SSS congruence
Decide triangle congruence using three equal corresponding sides.
8
Apply SAS congruence
Decide triangle congruence using two sides and included angle.
9
Apply ASA or AAS congruence
Decide triangle congruence using suitable angle-side information.
10
Select a valid congruence test
Choose the correct congruence condition from given measurements.
11
Reject insufficient congruence information
Identify when given information is not enough to prove congruence.
12
Solve congruence-based reasoning problems
Use congruent triangles to justify equal sides or angles.
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