faithharper9938 faithharper9938

24-01-2018
Mathematics

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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?

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chrysanthemum chrysanthemum

24-01-2018

Opposite sides of parallelograms are congruent, so:

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

Answer:
y = 14

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