To determine the square footage of a rectangle, multiply the length by the width. The answer is in given square units. For example, if a lawn is 20 feet by 30 feet, the measurement is 600 square feet. This is also referred to as "area."
The measurement is always described in square units. It does not matter if the object is measured in miles, yards, feet, inches, kilometers, meters, centimeters or millimeters. Some professionals need to be able to calculate square footage in their daily work. For instance, painters must first know the area of the room they are going to paint in order to purchase the correct amount of paint.
1. Measure the length and width of each area that needs to be cleaned. Do not include areas that will not be part of the janitorial responsibilities. 2. Multiply the length times
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If you're about to tackle a home improvement project or rent or purchase new space, you might need to know about square footage. To calculate square feet, simply multiply the length
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I assume the 2100 sq ft is the ground cover. It will require each wall to be measured and added together to get the overall interia messurements. to get sq ft  is height multiplied
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