If YB is x+3 units long and BW is 2x-9 then the length of YW will be 3(x-2) units long.
What is a parallelogram?
A parallelogram is a shape in which opposite sides are parallel to each other.
How to find the length of the diagonal?
From the figure we can see that the diagonal YW=YB+BW
YB=x+3
BW=2x-9
YW=x+3+2x-9
YW=3x-6
YW=3(x-2)
Hence the length of YW will be 3(x-2) if YB=x+3, BW=2x-9.
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