eEdmentum Assessments c httpsf1appedmentumcomassessmentsdel

eEdmentum Assessments × c https/f1.appedmentum.com/assessments-del very mastery launch/ ? Edmentum. Inc. us! lope Criteria for Parallel and Perpendicular Lines: Mastery Test 1 01 Statement Reason 1 AC L CD given property of similar triangles property of proportion ABC is similar to ?CED 2. AB EC BC DE 4. Slope of AC =- BC definition of slope slope of DC DE EC AB DE 5 slope of AC x slope of DC-BC × EC | multiplying the slopes 6 (This statement is intentionally left blank) Substitution Property of Equality 7 slope of AC × slope of DC =-1 simplifying the right side ?2018 Edmentum All rights reserved

Solution

Missing Step 2 : Triangle ABC is similar to Triangle CED !

(Actually, this is not a missing step 2, the step 2 is misprinted in step 1 itself ! Check it out !)