Calculate the area of the parallelogram ABCD if AB = 12cm and BM height is 9cm.

Given: ABCD – parallelogram, AB = 12 cm, BM ⟂ AB, BM = 9 cm.

To find:

S (ABCD) -?


1. We use the formula to calculate the area of the parallelogram ABCD: S = ah, where a is the side of the parallelogram, and h is the height that is drawn to side a:

S (ABCD) = AB * BM.

S (ABCD) = 12 * 9 = 108 (cm2).

Answer: S (ABCD) = 108 (cm2).

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