## Area of a triangle

If you can find the area of a rectangle, you can quickly work out how to find the area of a triangle.
A triangle is simply half of a rectangle. You can try this yourself (or watch me doing it here) by getting a piece of paper and cutting it in half along one diagonal. You should now have two triangles, each half of the original piece of paper. So the area of a triangle is half of the area of the rectangle surrounding it. We tend to use base and height instead of length and width when working with triangles - this doesn't change the method though!You must take care to always use two measurements that are perpendicular (at right angles) to each other. You could even draw a rectangle around the triangle to make sure you have done this correctly. |

## First Steps |
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## Next Steps |