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12 September, 16:16

Find the area of a parallelogram if the angle between two of the sides is 120 degrees and the two sides are 15 inches and 12 inches in length.

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  1. 12 September, 18:39
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    155.88 square inches

    Step-by-step explanation:

    The area is given by the product of the side lengths and the sine of the angle between them:

    A = (12 in) (15 in) sin (120°) ≈ 155.88 in²
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