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19-05-2014
Mathematics

contestada

how do I find the area of an equilateral triangle given the perimeter of 60 and the height of 17.3 cm?

Respuesta :

19-05-2014

If perimeter is 60 so the side is 60 ÷ 3 = 20

Now we can apply the area formula for triangles;

[tex]A=\frac{1}{2}.b.h\\ \\ A=\frac{1}{2}.20.17.3=10.17.3=173 \ cm^2[/tex]

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