Posted by Anonymous on Thursday, March 1, 2012 at 7:35am.
Rex wanted to build fence around a rectangular lot. The lot measures 75 meters by 50 meters. How much fencing materials does he need?

Math perimeter  MathMate, Thursday, March 1, 2012 at 8:07am
The fencing materials required equals the length of the perimeter of the lot, which is shaped as a rectangle 75 metres long by 50 metres wide.
The perimeter of a rectangle is given by the following:
Perimeter=2 * (length+width) 
Math  Anonymous, Thursday, March 1, 2012 at 8:07am
75+75+50+50=2*(75+50)=2*125=250 m