How Do You Find the Area of the Shaded Region in a Rectangle?
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To find the area of a shaded region in a rectangle, find the total area of the rectangle and the area of the white region. Then subtract the white area from the rectangle’s area.

Find the area of a rectangle
To find the area of a rectangle, multiply the length and width of the rectangle together.

Find the area of the white space
Calculate the area of the white space within the rectangle. If it also a rectangle, multiply its length and width together.

Subtract
Subtract the area of the white space from the area of the entire rectangle. The result is the area of the shaded region within the rectangle.
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