msvgo
Area of Polygons
It describes the method of finding the Area of Polygon by splitting it in triangle, square, rectangle, quadrilateral, trapezium and parallelogram with solved problems.
Virtual Nerd
Virtual Nerd: What Is the Formula for the Volume of a Prism?
Take a look at this tutorial to learn about the formula for the volume of a prism. [7:43]
Khan Academy
Khan Academy: Triangles: Finding Area Using Similarity and Congruence
Explains how to determine the area of a pentagonal shaded region in a triangle. The triangle that is broken into multiple similar and congruent triangles.
Imagine Learning Classroom
Learn Zillion: Determine Which Unit of Measurement to Use to Find the Area
In this lesson, you will learn how to decide which unit of measure to use to find the area by comparing the different units. [4:02]