Find the area of a triangle if it is known that AB = 5 cm, BC = 3.5 cm, AC = 6.5 cm.

univerkov | December 21, 2020 | education

P = (a + b + c) / 2 = (5 + 3.5 + 6.5) /2=7.5 And then the area will be found by the formula S = ^ (P (Pa) (Pb) (Pc)) = ^ (7.5 * 2.5 * 4 * 1) = ^ 75 That is, your answer: the area is equal to the root of 75

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