Find the area of a triangle if AB = 37cm, BC = 29cm, angle B = 120 degrees

univerkov | June 17, 2021 | education

We find the area of the triangle by the formula:
S = (1/2) * a * b * sina
Let’s substitute our data:
S = (1/2) * AB * BC * sinB = (1/2) * 37 * 29 * (√3 / 2) = 464.6 cm ^ 2.
Answer: S = 464.6 cm ^ 2.

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