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Find the value of y required for

the polygon below to be a
parallelogram.

Plz help!!!!

Find the value of y required for the polygon below to be a parallelogram. Plz help-example-1

1 Answer

4 votes

This is algebra disguised as geometry. I object. There are much better ways to combine algebra and geometry.

Anyway, in a parallelogram the diagonals meet at their midpoints, so bisect each other. So we have two pairs of congruent segments; geometry over.

3x + 1 = x+27

79 - y = 2y + 22

We can ignore the one about x.

79 - 22 = 2y + y

57 = 3y

y = 19

Answer: 19

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