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erza has a square brick patio. he wants to reduce the width by 4 feet and increase the length by 4 feet.

let x represent the length of one side of the square patio. write expressions for the length and width of the new patio. then find the area of the new patio if the original patio measures 9 feet by 9 feet.

Respuesta :

Answer:

Area of new patio = 65 ft^2.

Step-by-step explanation:

For the new patio:

Width = x-4 feet

Length = x+4 feet.

Given that x = 9, the new patio has dimensions 9-4 and 9+4 = 5 by 13 feet and its area = 5*13 =  65 ft^2.

The area of the new square brick patio is 65 ft².

Given that, the original patio measures 9 feet by 9 feet.

What is the formula to find the area of a square?

The formula to find the area of a square is a².

Where, a=side.

Now, for the new patio:

Width = x-4 feet and Length = x+4 feet.

Given that x = 9, the new patio has dimensions 9-4=5 and 9+4 = 13 feet and its area = 5*13 =  65 ft².

Therefore, the area of the new patio is 65 ft².

To learn more about the area of a square visit:

https://brainly.com/question/1603804.

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