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In order to use CPCTC in a proof, what must you first prove?

In order to use CPCTC in a proof, what must you first prove?
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In order to use CPCTC in a proof, what must you first prove?

User Fhtagn
by
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1 Answer

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Corresponding parts of congruent triangles are congruent. To use this you have to prove the two triangles congruent first with a proof method.
Proof methods:
AAS
ASA
SSS
SAS
HL
User Tidylobster
by
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