Area of a triangle from a rectangle (cut-out demo)
1:46
YouTubemissnorledge
Area of a triangle from a rectangle (cut-out demo)
Where does the formula for the area of a triangle come from? Watch this little demonstration here. If you've enjoyed this video, please consider visiting my website http://www.norledgemaths.weebly.com for additional homework help. Thanks for watching! Video created using Microsoft Movie Maker. Used with permission from Microsoft. Audio track ...
60.8K viewsNov 19, 2014
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