Algebra Examples

Find the Square or Rectangle Perimeter
, ,
The distances between the given points are the length (l), width (w), and diagonal (d).
The distance between the three corners is:
The diagonal is the longest distance and the width is the shortest distance, which means and .
The perimeter of a rectangle is .
In this case, the perimeter is . Add the length and the width of the rectangle then multiply the answer by .
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Remove parentheses.
Simplify .
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Add and .
Multiply by .
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