To determine total square feet in a square or rectangular space, simply multiply the length of the area by the width of the area. The square root of 20 rounded up to 8 decimal places is 4.47213595….Square Root of 20. The square root of 20 is expressed as √20 in the radical form and as (20)½ or (20)0.5 in the exponent form. A square of a number is denoted as n × n….Example 1.

In this case, 4 is termed as a perfect square. For instance, the product of a number 2 by itself is 4. In mathematics, a square is a product of a whole number with itself. Examples where the unit is used are roofing shingles, metal roofing, vinyl siding, and fibercement siding products. Both are non-SI units of measurements, one for length and another for the area. The difference between Feet and Square Feet is that “feet” is a one-dimensional unit of measurement for measuring length and “square feet” is a two-dimensional unit of measurement for measuring area of a given space. For example, a closet that’s 4 feet long and 3 feet wide is 12 square feet. In any given space, you can multiply the length by the width to get the total square footage. What is a square foot? One square foot is a square that’s 12 inches on each side.

Tip: If you can’t picture what a square foot is, try drawing a square that is 1 foot tall by 1 foot wide-you’ve got one square foot! Here’s a basic formula you can follow: Length (in feet) x width (in feet) = area in sq. What are the possible dimension of 18 square feet?ġ Expert Answer The dimensions are (3, 6) width 3 and length 6.

1 What are the possible dimension of 18 square feet?.

How much is 18 square feet