Are the two triangles congruent? Explain how you know.
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8. What does CPCTC stand for? What do we use it for in proofs?
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Given: ̅̅̅̅
𝐷𝐶 bisects ∠𝐴𝐷𝐵
̿̿̿̿ ≅ ̿̿̿̿
Prove: 𝐴𝐶
𝐵𝐶
Write a paragraph proof.
Write a two column proof.
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Write a flow chart proof.
Write a two column proof.
Challenge!
Write a paragraph proof.