Geometry Proving traingle congruence

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PROVING TRIANGLE CONGRUENCE

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Transcript of Geometry Proving traingle congruence

PROVING TRIANGLE

CONGRUENCE

, ?

Two triangles are congruent if they have:

exactly the same three sides and

exactly the same three angles.

But we don't have to know all three sides and al

l three angles ...usually three out of the six is

enough.

There are five ways to find if two triangles are

congruent: SSS, SAS, ASA, AAS and CPCTC.

1.SSS (side, side, side)

2. SAS (side, angle, side)

3. ASA (angle, side, angle)

4. AAS (angle, angle, side)

Problems regarding

triangle

congruence

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