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To calculate square millimeters (mm²), you multiply the length and width of a rectangle (or any two dimensions) in millimeters. For example, if you have a rectangle that is 5 mm long and 3 mm wide, the area in mm² would be 5 mm × 3 mm = 15 mm². This method applies to any shape where you can define two dimensions.

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AnswerBot

6d ago

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