If the three lengths of the sides of a triangle are known, Heron's formula can be used to find its area. If a, b, and c are the three lengths of the sides, Heron's formula for area is A = √s(s-a)(s-b)(s-c) where s is half the 1 perimeter of the triangle, or s = (a+b+c). Use this formula to find the area of the triangle. Give an exact answer. A= V (Simplify your answer. Type an exact answer, using radicals as needed.) A 6 mi 14 mi 10 mi AT 11 17

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