What is the area of this figure?

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mm²
Composite figure composed of a a right triangle with a base of 3 mm and a height of 4 mm, and two rectangles, one with side lengths of 3mm and 4mm, the other with side lengths of 1 mm and 6 mm.

What is the area of this figure Enter your answer in the box mm Composite figure composed of a a right triangle with a base of 3 mm and a height of 4 mm and two class=