Posted by **Lily** on Friday, March 21, 2008 at 5:26pm.

How can I find the area of the shape when it has three units? Heres how it looks:

Thanks to who helps :)

- Pre Algebra -
**Reiny**, Friday, March 21, 2008 at 5:53pm
We can't see you diagram unfortunately.

If it is a triangle you are describing, just state the lengths of the sides.

If 3 sides of a triangle are known, then you can use a formula called Heron's Formula, you can find it on Google.

- Pre Algebra -
**Ms. Sue**, Friday, March 21, 2008 at 5:53pm
Your graphic didn't and won't show up here.

But you can find the areas of each of the three units and then add them together.

- Pre Algebra -
**Lily**, Friday, March 21, 2008 at 6:06pm
Ok, thanks :D

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