Take the square root of the area. P 2 x l w 84 2 x 2w 3 w 84 2 x 3w 3 84 6w 6 6w 84 - 6 6w 78 w 786 w 13cm Given that w is 13cm we can then use it to find l. Related Image Dining Table Dimensions Square Dining Room Table Dining Room Rug Size From the above discussion it can be inferred that the formula can give the area of a square is. . And the perimeter of a square 4 side units. If you are measuring a square or rectangle area multiply length times width. Since both sides are the same length the ratio is 11. Where a and b are the side lengths of the square and c is the length of the diagonal. Diagonal a² a² 2 a² which simplifies to. When the length and width of a rectangle are equal the shape is a special case of a rectangle called a square. D perimeter42 knowing square perimeter. A² a² diagonal². To calculate the square footage of an area you have to multiply the length measurement by the width or height
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