DalaynaZ444890 DalaynaZ444890

04-11-2022
Mathematics

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The area is 21in^2. Write an equation and use it to find the value of D.

The area is 21in2 Write an equation and use it to find the value of D class=

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AlanN772581 AlanN772581

04-11-2022

Given figure is a rectangle.

The rectangle is of length d in and width 3 in.

Therefore, its area is 3d square inches.

Accordingly,

[tex]\begin{gathered} 3d=21 \\ d=7 \end{gathered}[/tex]

Hence, the value of d is 7.

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