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A rectangular sticker is $8\,\text{centimeters}$ tall and $3\,\text{centimeters}$ wide. What is its perimeter? $\newline$ _____ centimeters

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Area and perimeter: word problems

Full solution

Q. A rectangular sticker is

8\,\text{centimeters}

tall and

3\,\text{centimeters}

wide. What is its perimeter?

\newline

_____ centimeters

Identify Formula: Identify the formula for the perimeter of a rectangle. $\newline$ The formula for the perimeter of a rectangle is $P = 2(l + w)$ , where $l$ is the length and $w$ is the width.
Plug in Values: Plug in the values of $l$ and $w$ into the formula. $\newline$ Given that the length $l$ is $8$ centimeters and the width $w$ is $3$ centimeters, we can substitute these values into the formula: $\newline$ $P = 2(8 + 3)$
Perform Addition: Perform the addition inside the parentheses. $\newline$ P = $2$ ( $11$ )
Multiply to Find Perimeter: Multiply the sum by $2$ to find the perimeter. $\newline$ P = $2$ \times $11$ $\newline$ P = $22$

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