Answer:
area: 446mm
Explanation:
split up the shape into squares, find the area of those, add it all together to get the total area
446mm
If we box off parts of the area, it makes it easier to solve. I personally broke it into tiny bits:
Upper left box: 16mm
Bigger box (excluding little box): 90mm
Big rectangle: 340mm
Now, add them all together.
Equals 446mm
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