The yard behind cindy's house is rectangular in shape and has a perimeter of 72 feet. if the length is l of the yard 18 feet longer than the width of the yard, what is the area of the yard in square feet

Using concepts for the perimeter and area of rectangle, it is found that:

The area of the yard is of 243 square feet.

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Rectangle:

A rectangle of length l and width w has:

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Relating the measures, we find them, first the width:

Then the length:

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The area is:

The area of the yard is of 243 square feet.

A similar problem is given at link

the solution is the point

step-by-step explanation:

we have

> equation a

> equation b

adds equation a and equation b

substitute the value of x in equation b to find the value of y

the solution is the point