Answered

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A rectangular piece of cardboard measures 18 cm by 9 cm. What is the perimeter of the piece of cardboard?

Sagot :

Given:

Length, L = 18 cm

Width, W = 9 cm

Asked: What is the perimeter of the piece of cardboard?

Solution:

[tex]\text{Perimeter of a rectangle = 2L + 2W}[/tex][tex]\begin{gathered} \text{Perimeter of a rectangle = 2(18) + 2}(9) \\ \text{Perimeter of a rectangle = 36 + }18 \\ \text{Perimeter of a rectangle = }54\text{ cm} \end{gathered}[/tex]

ANSWER: 54 cm

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