2*(base) + 2*(height) = perimeter
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The perimeter of a 5 by 7 rectangle is 24.
Perimeter = 12+12+14+14 = 54 uits of measurement
The lengths of the base and the side. You would multiply these to get the area and would double sum of the two to obtain the perimeter measurement.
To find the perimeter you add and to find the area we multiply.
Square is a special case of a rectangle and the same formula may be used to find the perimeter