A parking lot has the shape of a rectangle with two isosceles right triangles (one on each end). What is the area of the parking lot if the rectangle's dimensions are 45 ft by 100ft?
4500 ft. 45 x 100 = 4500. One side of the triangle is one side of the rectangle. (or the area of each triangle is 1/2 base x height. multiply by 2 to get two triangles.)
