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Eva R.

asked • 05/15/18

A rectangular certificate has an area of 45 square inches. Its perimeter is 28 inches. What are the dimensions of the certificate?

A rectangular certificate has an area of 45 square inches. Its perimeter is 28 inches. What are the dimensions of the certificate?

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Kenneth S. answered • 05/15/18

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LW = 45

2(L+W) = 28

Solve this system -- use substitution -- you will get a quadratic equation.

Or make an educated guess!

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Dominique R. answered • 05/15/18

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Experienced Middle School Algebra Teacher

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The dimensions of the certificate are 9 inches and 5 inches. 9(5)=45 for the area. 9+9+5+5=28 for the Perimeter.

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