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How do you find the area of a triangle with only a radius of 18?
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Zach163

by Zach163 at March 29, 2011

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more details
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rickwtj rickwtj March 30, 2011

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more detail please.
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Charles Charles March 30, 2011

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well triangle is a 2 dimensional figure !!! but you said radius may be you are trying to mention the three dimensional figure CONE !!! there are two types of area (one is including the base also) total surface area=pi*r(r+l)where l is the slant height surface area = pi*r*l where l is the slant height 
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balajimt balajimt March 31, 2011

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WELL SUPPOSE IF YOU MENTION THAT THE TRIANGLE IS IN A CIRCLE AND THE DISTANCE FROM THE CENTROID (CONSIDERED TO BE EQUILATERAL TRIANGLE) IS 18.THEN YOU FIND OUT THE LENGTH OF ONE SIDE AND THEN USE THE FORMULA OF AN EQUILATERAL TRIANGLE
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balajimt balajimt March 31, 2011

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What?!? radius of a triangle? when do you use radius for anything but a circle? weird...
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...sydnie... ...sydnie... March 31, 2011

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