Asap a piece of cardboard has two circles punched out of it. what is the approximate area of the remaining cardboard? use 3.14 for pi and round to the nearest whole number.

Set up an equation to represent the areas of the shapes in the table:

(area of rectangle) - 2(area of circle)

There is a 2 in front of the area of the circle, since there are two identical circles punched out of the rectangle.

First, find the area of the rectangle. The area of the rectangle is given by the following formula:

length * width

You already have your two values for length and width. Plug those values into the formula:



236 is the area of the rectangle.

Now we'll find the area of the circle.

The diameter of the circle is 2. The radius is one half of the diameter, so the radius is 1.

The area of a circle is found with the following formula:



pi is equal to 3.14, so replace the pi symbol with the 3.14. Then, plug your radius into the equation.



The area of the circles is 3.14.

Plug your areas into the first equation above.



The approximate area of the cardboard is 229.72.

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