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What is The Value Of Y In The Parallelogram below

What is The Value Of Y In The Parallelogram below-example-1

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The sum of any two adjacent angles of a parallelogram is 180° ⇒
angle adjacent to 64° = 180 - 64 = 116°

In a parallelogram opposite angles are equal ⇒

4y + 12 = 116
4y = 116 - 12
4y = 104
y = 104/4
y = 26 ← answer.
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