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OpenStudy (anonymous):
the two sidesof a triangle are 10cm and 12 cm respectively. The base is 19.1 cm. The angle adjascent to the two sides is 120degree. Please find out the area of the triangle.
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Parth (parthkohli):
Thus, we know that the three sides are \(10, 12, 19.1\). Now we can apply Heron's formula.
OpenStudy (anonymous):
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