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A classroom board is 36 inches wide and 24 inches tall. Cheryl is putting ribbon along the outside edge of the board. How many inches of ribbon will she need?

Respuesta :

Data:

Wide: 36in

Tall: 24in

The total inches of ribbon Cheryl needs is equal to the perieter of the classroom board.

As a classroom board is rectangular you get the perimeter whit th next formula:

[tex]P=2W+2T[/tex]

Then, for the given board:

[tex]\begin{gathered} P=2(36in)+2(24in) \\ P=72in+48in \\ P=120in \end{gathered}[/tex]

Then, Cheryl

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