20. Write a two-column proof:
Given: BAC = DAC, DCA = BCA
Prove: BC = CD

Given:

To prove:

Solution:

The two-column proof is:

Statement                                        Reason

1.                            1. Given

2.                           2. Given

3.                                      3. Common side

4.                          4. ASA congruent postulate

5.                                     5. CPCTC

Hence proved.

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step-by-step explanation:

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its a trick question

step-by-step explanation:

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