jwang84
jwang84 jwang84
  • 26-07-2018
  • Mathematics
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How do I solve this geometry proof?

How do I solve this geometry proof class=

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xusherripc9ed0
xusherripc9ed0 xusherripc9ed0
  • 26-07-2018

I don't remember the names of the theorems at all, but we know that AD ≈ DE ≈ EB (Segment Addition). Which means <ACD ≈ <DCE ≈ <ECB (not completely sure how to prove this). Therefore, <1 ≈ <2. (Don't forget to state that <1 ≈ <ACD and <2 ≈ <ECB). With this and Angle Addition, we know that <ACE ≈ <DCB, so with SAS Congruence Theorem, we can prove ΔACE ≈ ΔBCD.

Hope that helps

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