Find the area and perimeter of two-dimensional shapes, including triangles, rectangles, polygons, and composite shapes.
You will be given the math formulas on the test.
For a composite shape, break it into rectangles, find each area, then add or subtract.
Question 1 of 4
The Wilson family's back yard is a rectangular plot 100 feet long and 80 feet wide. The family planted a garden with a length and width of 60 feet. The lawn covers the remaining area of the back yard.
What is the area, in square feet, of the lawn in the Wilson family's back yard?