Question 602476
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Hi,

Using Heron's Equation to find the area of a triangle when 3 sides are given
a = 6, b = 8 and c  = 12 inches 
{{{sqrt(s(s-a)(s-b)(s-c))}}}  | s being the semi-perimeter = 26/2 = 13
{{{sqrt(13(7)(5)(1))}}} = 21.3307 square inches