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Multiple Choice Find AD and ED for parallelogram ABCD.

A) AD = 13
B) ED = 13
C) ED=9
D) ED = 16
E) AD = 9
F) AD = 16

Multiple Choice Find AD and ED for parallelogram ABCD A AD 13B ED 13 C ED9 D ED 16E AD 9F AD 16 class=

Respuesta :

Answer: A, C

Step-by-step explanation:

Diagonals of a parallelogram bisect each other, so [tex]4x-7=2x+1 \longrightarrow x=4[/tex]. So [tex]ED=4(4)-7=\boxed{9}[/tex].

Opposite sides of a parallelogram are congruent, so [tex]8y-3=3y+7 \longrightarrow y=2[/tex], so [tex]AD=8(2)-3=\boxed{13}[/tex]