Use this tool to determine how the length of the base and the height of a figure can be used to determine its area. Can you find the similarities and differences between the area formulas for trapezoids, parallelograms, and triangles?
Apture Highlights is a free tool, built from the ground up to let you take the power of Google search, and the richness YouTube, Flickr, Twitter, and Wikipedia with you to any site. Just highlight a phrase on any site to reveal the web's best content without ever leaving the page. Fast, powerful, and fun.
YouTubeSnips is a free tool that lets you download HD videos off YouTube! You can also download the video in mobile 3GP format, MP4 format, and FLV format. Simply pick one of the 3 input formats bellow: