Basic Math Examples

 $\begin{array}{r} l = & 30 \\ w = & 60 \end{array}$

Step 1

The perimeter of a rectangle is equal to the sum of all sides of the rectangle.

$l e n g t h + l e n g t h + w i d t h + w i d t h = 2 \cdot (l e n g t h) + 2 \cdot (w i d t h)$

Step 2

Substitute the values of the length $l = 30$ and width $w = 60$ into the formula for the perimeter of a rectangle.

$2 \cdot 30 + 2 \cdot 60$

Step 3

Simplify each term.

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Step 3.1

Multiply $2$ by $30$ .

$60 + 2 \cdot 60$

Step 3.2

Multiply $2$ by $60$ .

$60 + 120$

Step 4

Add $60$ and $120$ .

$180$