The calculation essentially relies on the fact a trapezoids area can be equated to that of a rectangle. Area of a trapezoid formula. Let Boom collect all of your data to assess student progress.
The formula for the area of a trapezoid is base 1 base 2 2 x height as seen in the figure below.
Practice finding area of a trapezoid using its side lenghts and height. Count the number of squares in a trapezoid. Let Boom collect all of your data to assess student progress. The height is a perpendicular line between the two parallel sides.