Lessons

Find the area of a parallelogram by decomposing
In this lesson you will learn how to find the area of a parallelogram by decomposing into a rectangle.

Find the area of a right triangle
In this lesson you will learn how to find the area of a right triangle by composing a rectangle.

Find the area of a trapezoid by composing a parallelogram
In this lesson you will learn how to find the area of a trapezoid by composing a parallelogram.

Find the area of polygons by decomposing into triangles, rectangles, parallelograms, and trap...
In this lesson you will learn how to find the area of other polygons by decomposing into triangles, rectangles, parallelograms, and trapezoids.