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Question
The following figure GUNS is a parallelogram. Find x and y. (Lengths are in cm)

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Solution
We know that the lengths of opposite sides of a parallelogram are equal to each other.
GU = SN
3y − 1 = 26
3y = 27
y = 9
SG = NU
3x = 18
x = 6
Hence, the measures of x and y are 6 cm and 9 cm respectively.
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