1. Areas of Parallelograms
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To find the area of a parallelogram, calculate the product of the base and the height.
840mm^2
The area of a parallelogram is the product of its base and its height. In the given parallelogram, the length of the base is 20 millimeters and the height is 42 millimeters.
We can substitute these two values into the formula for the area of a parallelogram and simplify.
The area of the parallelogram is 840 square millimeters.