calculate the shaded area

Answer:
116cm^2
Step-by-step explanation:
This problem is just a matter of finding the area of the large and the small circle. To find the area of the large circle, you will use the equation: A = pi*r^2 in the following manner:
A = pi*r^2
A = pi*6.5^2
A = pi*42.3
A = 133
Next, you need to subtract the smaller circle from the area to only have the shaded area. Do this like the following:
A = pi*r^2
A = pi*2.3^2
A = pi*5.29
A = 16.6
Lastly, you just need to subtract! Do this like the following:
A = 133 - 16.6 = 116.4cm^2 = 116cm^2
The area of shaded area is 116.14 cm²
The area of circle is given by
Wee have 2 radii
Lets find for the radius 2.3
A = π * 2.3²
A = 16.61
Now lets find for the radius 6.5
A = π * 6.5²
A = 132.73
Now
The shaded area is 132.75 - 16.61
Shaded area = 116.14