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Before using Corresponding Parts of a Congruent Triangle are Congruent theorem (CPCTC) in a geometric proof, you must first prove that there is a congruent triangles. This method can be used for proving polygons and geometrical triangles.

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Q: What needs to happen before you can use the reason CPCTC in a geometric proof?
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Related questions

When do you use CPCTC?

You can only use CPCTC after you prove the 2 triangles congruent.


What does CPCTC represent and when would you use it?

CPCTC represents Corresponding Parts of Congruent Triangles are Congruent. You would use this in Triangle Proofs.


If lmn xyz which congruences are true by cpctc?

If lmn xyz which congruences are true by cpctc: ml=yx ln=yz y=m


How can you use SSS with CPCTC?

You can prove that to triangles are congruent with SSS, then use CPCTC to prove that two corresponding angles of those triangles are congruent.


When can I use CPCTC?

You can use it to corresponding parts of a trianglr


If ABC DEF which congruences are true by CPCTC?

if abc=def which congruences are true by cpctc


Why would you use CPCTC?

Once you have shown that two triangles are congruent you can use CPCTC (corresponding parts of congruent triangles are congruent) to show the congruence of the remaining sides and angles.


How do you find a triangle congruent by cpctc?

A triangle if not found congruent by CPCTC as CPCTC only applies to triangles proven to be congruent. If triangle ABC is congruent to triangle DEF because they have the same side lengths (SSS) then we know Angle ABC (angle B) is congruent to Angle DEF (Angle E)


What does CPCTC stand for?

Corresponding parts of congruent triangles are congruent.


What does CPCTC mean in geometry?

Corresponding parts of congruent triangles are congruent.


Abbreviation for corresponding parts of congruent triangles are congruent?

CPCTC or congruent


What does cpctc mean in math?

'corresponding parts of congruent triangles are congruent'