kjhgfdsa2 Posts: 1, Reputation: 1 New Member #1 Jan 5, 2009, 01:00 PM
Geometry two column proofs
Write a two-column proof.

If m ∠ 2 ≅ m ∠ 3 then m &InvisibleTimes; ∠ 3 ≅ m ∠ 2
Given: A B ≅ T V and X B ≅ X T

Prove: A X ≅ V X

 EuRa Posts: 315, Reputation: 64 Full Member #2 Jan 7, 2009, 07:09 PM

Which is angle 2 and 3? No matter, you can still solve it.

I don't want to flat out give you the answer, but first you need to mention that if you have two lines of equal length, and if you subtract 2 similar lines (respectively) of equal length, you will be left with 2 lines of equal length, thus proving what you need to prove. Should only take you 2-3 additional steps, depending on the method of which you choose.

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