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17 ) Measure to determine how much longer one object is than another, expressing the length difference in terms of a standard length unit. [2-md4] Local/National Standards:
As a perimeter is a measure of length and has different units to those measuring an area then it is the numerical value that is the same. CIRCLE: area = perimeter occurs when â¦ Ïr2 = 2Ïr = : r = 2 SQUARE: area = perimeter when d2 = 4d: d = 4, where d is the length of a side.