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Mathematics 10 Online
OpenStudy (anonymous):

Thetable showsthe proof of therelationship betwee the slope of 2 perpendicular line.What is themissinstatement instep2? ABEC=BCDE ABBC=DEEC AB=DE, and BC=EC ABBC=-ECDE Done Statement Reason 1. AC←→⊥CD←→ (view diagram) ΔABC is similar to ΔCED. given . property of similar triangles . ABBC = ECDE property of proportion . slope of AC←→ = -ABBC slope of DC←→ = DEEC definition of slope5. slope of AC←→ × slope of DC←→ = -ABBC×DEEC multiplying the slopes . (This statement is intentionally left blank.) Substitution Property of Equality . slope of AC←→ × slope o

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