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Unformatted text preview: DF 2. Seg DM 2245 Seg MF 3. Δ BDM 2245 Δ CFM Reasons 1. Given 2. Def of a midpoint 3. AAS thm Example • Given that seg WZ bisects ∠ XZY and ∠ XWY • Prove that Δ WZX 2245 Δ WZY (( (( ) ) X Z Y W Proof Statements 1. seg WZ bisects ∠ XZY and ∠ XWY 2. ∠ XZW 2245 ∠ YZW, ∠ XWZ 2245 ∠ YWZ 3. Seg ZW 2245 seg ZW 4. Δ WZX 2245 Δ WZY Reasons 1. Given 2. Def ∠ bisector 3. Reflex prop of seg 2245 4. ASA post 4.5 Using 2245 Δs Pg 229 Once you know that Δs are 2245 , you can state that their corresponding parts are 2245 . CPCTC • CPCTCcorresponding parts of 2245 triangles are 2245 . Ex: G: seg MP bisects ∠ LMN, seg LM 2245 seg NM P: seg LP 2245 seg NP ( ) N P L M Proof: Statements 1. Seg MP bisects ∠ LMN, seg LM 2245 seg NM 2. Seg PM 2245 seg PM 3. ΔPMN 2245 ΔPML 4. Seg LP 2245 seg NP Reasons 1. Given 1. Reflex. Prop seg 2245 2. SAS post 3. CPCTC Assignment Assignment...
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 Spring '11
 Jackson
 SEG, Seg LP

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