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4. Find the width of a rectangle with a perimeter of 90 and a length of 15. Draw and label the
rectangle first to set up your problem.
90
15
45
30

Respuesta :

calculista

Answer:

The width of the rectangle is 30 units

Step-by-step explanation:

we know that

The perimeter of a rectangle is

[tex]P=2(L+W)[/tex]

where

L is the length

W is the width

we have

[tex]P=90\ units[/tex]

[tex]L=15\ units[/tex]

The draw in the attached figure

substitute the given values in the formula of perimeter and solve for W

[tex]90=2(15+W)[/tex]

[tex]45=(15+W)[/tex]

[tex]W=45-15[/tex]

[tex]W=30\ units[/tex]

therefore

The width of the rectangle is 30 units

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