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A train ticket is $11\,\text{centimeters}$ long and $7\,\text{centimeters}$ tall. What is its perimeter? $\newline$ $\_\_\_\_\_\_\_\_$ centimeters

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Area and perimeter: word problems

Full solution

Q. A train ticket is

11\,\text{centimeters}

long and

7\,\text{centimeters}

tall. 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 $P = 2l + 2w$ , where $l$ is the length and $w$ is the width (or height).
Plug in Values: Plug in the values of $l$ and $w$ into the formula. $\newline$ $P = 2(11) + 2(7)$
Perform Calculations: Perform the calculations. $\newline$ P = $22 + 14$ $\newline$ P = $36$
Verify Calculation: Verify the calculation. $\newline$ Double-check that the multiplication and addition were done correctly. $\newline$ $22 + 14$ does indeed equal $36$ .

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