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January 30, 2015

January 30, 2015

Posted by **Piggy** on Wednesday, February 22, 2012 at 10:51pm.

- geometry -
**Reiny**, Wednesday, February 22, 2012 at 11:13pmyou can find the height of each triangle ...

h^2 + 5^2 = 13^2

h = 12

Area of one such triangle = (1/2)base x heigh = (1/2)(10)(12) = 60

there will be 6 such triangles

You don't say if you include the base in the surface area, if so ...

then you can find the area of one of the six equilateral triangles that form the base.

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