Perimeter of courtyard
Question asked by: harry101
Asked on: 12 Dec 2009
42metres are the length of the diagonals of the square. So we need to find out this relates to the width (or the height, they are the same in a square of course) and then multiply this by four.
So we know that x2 + y2 = z2
Since the width = the height here, this means that 2x2 = 1764, so x2 = 882. Therefore we multiply the root of this by four to get the perimeter, which is 118.8m
By: knowitall
Replied at: 13 Dec 2009
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courtyard perimeter
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