SOLUTION: a piece of cloth must be cut to exactly cover a square table. The area of the table is 27ft suared. Find the length of the side of the table to the nearest tenth of a foot

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Question 156233: a piece of cloth must be cut to exactly cover a square table. The area of the table is 27ft suared. Find the length of the side of the table to the nearest tenth of a foot
Answer by nerdybill(7384) About Me  (Show Source):
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a piece of cloth must be cut to exactly cover a square table. The area of the table is 27ft suared. Find the length of the side of the table to the nearest tenth of a foot
.
To solve this problem, the problem expected you to know:
1. all four sides of a square table are equal in length
2. area of a square table is "length of one side" squared.
.
Let x = length of thee side of the table
.
Since the problem told us that the area of the table is 27 square feet we get:
+x%5E2+=+27+
+sqrt%28x%5E2%29+=+sqrt%2827%29+
+x+=+sqrt%283%2A3%2A3%29+
+x+=+3sqrt%283%29+
x = 5.2 feet