9514 1404 393
Answer:
110 mm²
Step-by-step explanation:
The relevant area formulas are ...
A = LW . . . . . area of a rectangle with dimensions L and W
A = 1/2bh . . . area of a triangle with base b and height h
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The figure can be divided into rectangles and a triangle as shown in the attachment. Working from the bottom up, the sum of the areas of the parts will be ...
(2×6) +(4×14) +(2×17) +1/2(4×4) = 12 +56 +34 +8 = 110 . . . square mm
