Algebra 2
posted by Taylor .
A building has a mural painted on an outside wall. The mural is a square with an area of 14,400 ft^2. What is the width of the mural?

What is the square root of 14,400?

How would you find that? Just guess and check?

Most calculators have a square root function.
Also  Google 
https://www.google.com/#q=square+root+of+14%2C400 
28,800

√144*√100=12*10=120feet
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