I was trying to find the value of X for an hour now but don't know how to start and I don't know why A= 42.9cm2. I mean wasn't A supposed to be 16.5cm2.
Thank you in advance.
2026-03-29 11:07:59.1774782479
How to find the value of x?
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Hint: Divide the figure into three rectangles: A top part, a middle part and a bottom part. What are the areas of the top and bottom parts together? What area do you need the middle part to be?
Caution: Note that the lengths are in mm, and the area in cm2.