Area of trapezoids and composite figures

4 videos
3 skills
Find the area of more complex shapes like trapezoids and composite figures (shapes built from other shapes).

Area of a trapezoid

VIDEO 4:48 minutes
A trapezoid is a cousin of the parallelogram. However, in trapezoid only two of the opposing sides are parallel to each other. Here's we explain how to find its area.

Area of trapezoids

PRACTICE PROBLEMS
Practice finding the areas of trapezoids.

Area of a kite

VIDEO 3:49 minutes
Who doesn't like kites? If you were going to make your own out of a piece of cloth, then knowing the area of the kite would be helpful, right? Let's see how it's done.

Finding area by rearranging parts

VIDEO 3:57 minutes
Sometimes it helps to rearrange the parts of geometric figures to find the area. That's what we're going to do here.

Finding area by breaking up the shape

VIDEO 5:15 minutes
Don't be intimidated by odd looking geometric figures and being asked to find its area. In this example you'll understand that breaking up the figure into smaller geometric shapes that are regular make the task a lot easier.

Area of composite figures

PRACTICE PROBLEMS
Practice finding the areas of complex shapes that are composed of smaller shapes.

Area problem solving exercises

PRACTICE PROBLEMS
Practice solving problems involving triangles, parallelograms, and composite figures. Exercises include decimals, fractions, and word problems. Area of circles is not included.