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Given that abcd is a parallelogram and opposite sides ab¯ and cd¯ have lengths of 4y and y+42, respectively, what is the value of y?

1 Answer

5 votes
Opposite sides of parallelograms are congruent, so:

4y = y + 42
3y = 42
y = 14

Answer:
y = 14
User Hamid Reza Ansari
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