Given: D is the midpoint of AB: E is the midpoint of AC
Prove: DE 1 BC
Complete the missing p...
Mathematics, 20.12.2020 02:40 blackopsty23
Given: D is the midpoint of AB: E is the midpoint of AC
Prove: DE 1 BC
Complete the missing parts of the paragraph proof
Proof
To prove that DE and BC are parallel, we need to show
that they have the same slope.
slope of DE
V
A(25, 20)
loro, o
CC
GDD
Elab, o)
slope of BC
BIOO)
C(2,0)
Therefore, because
DE I BC.
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