Weegy: The length of the longest side is 24 centimeters. [smile] User: If (x+2)/2 = y/5, then which of the following must be true? User: If (x+2)/2 = y/5, then which of the following must be true?
x/2 = (y-2)/5
x/2 = (y-5)/5
(x+2)/5 = y/25 User: In writing the ratio of measurement numbers, the units must be the same.
True Weegy: When ratios are used in comparing units of measure, the units should be the same. User: In ... (More)

Weegy: A prime meridian is a meridian, i.e. a line of longitude, at which longitude is defined to be 0?. A prime meridian and its opposite in a 360?-system, the 180th meridian (at 180? longitude), form a great circle. User: what is the deffinition of meridian (More)

A meridian is the half of an imaginary great circle on the Earth's surface, terminated by the North Pole and the South Pole, connecting points of equal longitude.

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