# How to Use a Carpenter Square?

A carpenter square is a common tool that builders use to help lay out a variety of elements of wood construction jobs including rafters, roofing and staircases. Also called a framing square, rafter...
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http://www.wikihow.com/Use-a-Carpenter-Square

## How many 20x20 square inch tiles dose it take to cover 56 square feet?

The concept is confusing but the math is pretty simple... Tiles are sold by the square foot not by the tile..Measure the room & round up to the next foot, ie.. 11' 6" just write it down as 12'If th...
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http://wiki.answers.com/Q/How_many_20x20_square_inch_tiles_dose_it_take_to_cover_56_squ...

## How many square feet of carpet is this if he has ordered 10 square yards for his living room?

Answer the answer is 90 sq ft. there are 9 square ft in 1 square yard. 9 * 10 = 90

http://wiki.answers.com/Q/How_many_square_feet_of_carpet_is_this_if_he_has_ordered_10_s...

## How to Convert Square Meters to Square Feet and Vice Versa?

Measuring areas, it can be useful or necessary to convert square meters to square feet and vice versa.

http://www.wikihow.com/Convert-Square-Meters-to-Square-Feet-and-Vice-Versa

## 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