SOLUTION: A square flower bed in Michell's garden is to be enlarged by adding 3 feet on each side. If the larger square has an area of 169 square feet, what is the length of the original squ

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Question 314713: A square flower bed in Michell's garden is to be enlarged by adding 3 feet on each side. If the larger square has an area of 169 square feet, what is the length of the original square?
I am so confuised!

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


What is "confuised" and what does the condition of being whatever that is have to do with determining the measurement of a square?

Let represent the measure of the side of the original square. Then is the measure of the side of the enlarged square.

The area of a square is given by squaring the measure of one side. Hence, is a representation of the area of the enlarged square. Also, we are given that is a representation of the area of the enlarged square. So:



Taking the square root of both sides and discarding the negative root because we are seeking a positive measure of length:





And since we set up the problem so that represents the measure of the side of the original square, that is the answer.

John


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