# How to Find the Square Root of a Number That Doesn't Have a Perfect Square?

The square root of a number multiplied by itself yields that number. Some numbers are perfect squares such as 25 (five times five) and 100 (10 times 10). Other numbers are not perfect squares. Alth...
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http://www.ehow.com/how_6375804_square-number-doesn_t-perfect-square.html

## How large should an air conditioning unit be for an 1,100-square-foot apartment?

To cool an area of 1,100 square feet, your air conditioning unit must be at least 21,000 Btu. Btu are British thermal units, the basic measure of thermal energy, and must be appropriate for your sp...
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http://www.answerbag.com/q_view/2444508

## How to Solve the Square Root?

Although it has been left out of math curricula for decades, before hand-held calculators, taking the square root of rational numbers used to be done with just pencil and paper. The technique is no...
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http://www.ehow.com/how_8098582_solve-square-root.html

## How to Enter a Square Root Into a TI?

A TI calculator can be an invaluable resource when it comes to calculating the values of square roots, particularly of numbers that aren't perfect squares. Fortunately, entering a square root into ...
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http://www.ehow.com/how_8446655_enter-square-root-ti.html

## How to Get the Principal of a Square Root?

The convenience of digital calculators sometimes creates the false impression that the functions printed on the keypad are modern ideas. One function that has its roots in ancient times is the squa...
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http://www.ehow.com/how_8444384_principal-square-root.html