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Mathematics, 21.03.2020 20:10 JarretteWhitaker

AB = x + 15
DC = 4x
AD = x + 10
BC = ?

Quadrilateral ABCD is a parallelogram if both pairs of opposite sides are congruent. Show that quadrilateral ABCD is a parallelogram by finding the lengths of the opposite side pairs. What is the length of BC?

A)5
B)10
C)15
D)20

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You know the right answer?
AB = x + 15
DC = 4x
AD = x + 10
BC = ?

Quadrilateral ABCD is a parallelogr...

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