the sum of the lengths of all its sides
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Line Segment
It is: 2(x+y) = perimeter whereas x is the width and y is the length of the rectangle
1) the border or outer boundary of a two dimensional (2D) figure. 2) the length of such a boundary. 3) a line bounding or marking off an area. If it is for maths i would say the best definition would be number 1 . :)
A
You need not estimate since all 4 sides of a square are congruent. The perimeter is 116 (or 29 * 4)