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posted by Aria on Tuesday, March 29, 2011 at 3:57pm.

what is the area of a rhombus with a 60 degree angle and sides 5 cm long? (round to the nearest 10th)

b = 5cm. h = 5sin60 = 4.33cm. A = bh = 5 * 4.33 = 21.7cm^2.

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