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Mathematics 15 Online
OpenStudy (anonymous):

Can someone please help me?

OpenStudy (anonymous):

What is the problem?

OpenStudy (anonymous):

http://media.education2020.com/evresources/2072284_bullseye.png In the bull's-eye shown above, /, and /. Calculate the area of the red ring of the bull's-eye. Round the answer to the nearest tenth. A. 28.3 in.² B. 60.75 in.² C. 63.6 in.² D. 190.9 in.²

OpenStudy (anonymous):

is that all the information you have? no numbers?

OpenStudy (anonymous):

hold on..srry...

OpenStudy (anonymous):

AB BC CD and DE are congruent...AB is 4.5 inches

OpenStudy (anonymous):

Area of a circle is pi * r*^2 so when we multiply 3.14 by 9 (which is two times the radius), answer is approximately 63.585 and rounded to the nearest tenth is 63.6

OpenStudy (anonymous):

congruent circles have the same size

OpenStudy (anonymous):

thank u...:)

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