Question #71f34

1 Answer
shr
Oct 30, 2016

#8.8# m

Explanation:

Since the area of a square is #l^2# where #l# represents the width of the square, we can reverse the operation to obtain the length given the area. Therefore:

#l^2 = 4.84#
#l = sqrt(4.84) = 2.2#

Note that we ignore the negative values of the square root as width cannot be negative, since #(2.2)^2# and #(-2.2)^2# yield the same result.

Now that we have the width of the square, we know that the perimeter would be #4l#, or four times the length. Therefore,

#4l = 4 * 2.2 =8.8#

Thus the perimeter of the crime scene is #8.8# m.

Note: Don't forget units!

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