##### Evaluating expressions with variables word problems

 Algebra Tutor: None Selected Time limit: 1 Day

The expression

$4x$4x gives the perimeter of a square with a side length of $x$x units.
What is the perimeter of a square with a side length of $\dfrac57$75 units?
May 29th, 2015

Perimeter is the sum of all the four sides of a square . Since all the four sides of a square is same therefore the perimeter will be = 4 times of its sides ...

If the Side length of a square is 1 cm then ;;     perimeter = 1+1+1+1 = 4 cm

If the Side length of a square is 5 m then ;;  perimeter = 5+5+5+5 = 20 m

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May 29th, 2015

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