Find the area of a triangle if a = 13.5 b = 12.2 ∠C = 60 °

univerkov | September 29, 2021 | education

Let’s use the formula S = 1/2 ab sin ∠C, where a and b are the lengths of the sides, ∠C is the angle between them.
S = 1/2 * 13.5 * 12.2 * sin 60 ° = 0.5 * 13.5 * 12.2 * √3 / 2 = 41.175 √3 units2.

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