# math

posted by math help

A rectangular enclosure is to be created using 82m rope.

A) What are the dimensions of the max area

Suppose 41 barriers each 2m long, are used instead. Can the same area be enclosed

C) How much more area can be enclosed if the rope is used instead of the barriers

1. Steve

A) a square: 21.5 x 21.5
B) clearly not, since the square is not a multiple of 2 on a side. Also, 41 cannot be divided evenly by 4.

2. Steve

Ouch. Ms Sue's answer revealed my typo: 20.5 x 20.5

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