Mathematics, 05.02.2020 13:52 memoryofdale
Both circles have the same center. the circumference of the inner circle is 77.872 centimeters. what is the area of the shaded region?
Answers: 3
![r=77.872/[2(3.14)]=12.4\ cm](/tpl/images/0504/0956/58d74.png)
![A=(3.14)[20.8^{2} -12.4^{2}]= 875.68\ cm^{2}](/tpl/images/0504/0956/3b9b2.png)
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Both circles have the same center. the circumference of the inner circle is 77.872 centimeters. what...
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