Find the side МD of the МКСD parallelogram, if its area is 36cm2, and MK = 6cm, М = 30º.

The area of a parallelogram is equal to the product of its two adjacent sides by the sine of the angle between them:

SMKCD = MK * MD * sin M.

Knowing the value of the area, one of the sides and the angle, we can find the unknown side:

MD = SMKCD / (MK * sin 30 °) = 36 / (6 * 0.5) = 36/3 = 12 cm.

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