Area and Perimeter

Area of Combined Shapes: http://www.youtube.com/watch?v=mTle0malDpU&feature=plcp

Area of Parallelogram: http://www.youtube.com/watch?v=hWOPGL-DHaU&feature=plcp

Area of Trapezoid: http://www.youtube.com/watch?v=ahRZDYKxq9o&feature=plcp

Area of a Triangle: http://www.youtube.com/watch?v=vInAuxv-VL0&feature=plcp

Perimeter: http://www.youtube.com/watch?v=sqbOnkgHId8

Perimeter of Combined Shapes: http://www.youtube.com/watch?v=jmWRW05Bu6I&feature=related