PLEASE HELP ME WITH THIS QUESTION I WILL FAN AND MEDAL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Question

anonymous · Answer

The diameter of the larger circle is 12.5 cm. 
The diameter of the smaller circle is 3.5 cm. 

What is the approximate area of the shaded region?
  

 
 A.
28.26 cm²
 
 B.
113.04 cm²
 
 C.
132.27 cm²
 
 D.
254.34 cm²

anonymous · Answer

http://static.k12.com/calms_media/media/1419000_1419500/1419370/1/67fbfc4137bd1b8da05796451fba13e634b81ba2/MS_PA_130922_171141.jpg

dtan5457 · Answer

Did you get the area of both circles yet?

anonymous · Answer

no @dtan5457

dtan5457 · Answer

Your formula for the area of a circle is $$\pi r^2$$
Get the area of the larger circle, and the smaller circle.
The area of the shaded area is larger circle MINUS smaller circle

dtan5457 · Answer

Soo I'll get the area of the large one.

dtan5457 · Answer

Diameter=12.5
radius=6.25

pi(6.25^2)

area=122.72 cm

dtan5457 · Answer

Can you get the area of the smaller one?

anonymous · Answer

b? @dtan5457

dtan5457 · Answer

Yes!

anonymous · Answer

Okay thanks soo much for the help! :) @dtan5457

dtan5457 · Answer

np