Find the area of the yellow region. round to the nearest tenth.

You have a square and four quarter circles with a radius of 4.

The area is

Put that into your calculator and get the answer.

The area of yellow region is:

                    13.8 cm^2

The area of the yellow region is the area of square minus 4 times the area of one half semicircle at the corner of the square.

These four half semicircle will form a complete circle.

This means that the area of 4 half semicircles is equal to the area of the circle.

Hence, the area of yellow region is:

Area of square-Area of circle of radius 4 cm.

Also, the radius(r) of circle is: 4 cm.

and the area of circle is given by:

i.e.

Area of square is:

where s is the side length of the square.

Here

Hence,

Hence, Area of yellow region is:

which to the nearest tenth is: 13.8 cm^2

step-by-step explanation:

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

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