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avatar+350 

In the chart  below, the circumference, C, of a circle is given. Find the values of r  (radius), d  (diameter), and A  (area) for this particular circle. Leave

 

ladiikeiii  Dec 5, 2017
 #1
avatar+87537 
+3

C  =  22pi ft

 

C  =  2 * pi  * r       ....so....

 

 

22 pi   =  2 * pi * r         divide out pi

 

22 =  2 * r         divide by 2

 

11 ft  =  r         22 ft   =    d

 

And   Area   =  pi  (r^2)   =  121 pi   ft^2

 

 

cool cool cool

CPhill  Dec 5, 2017
 #2
avatar+350 
0

at least one is incorrect. 

ladiikeiii  Dec 5, 2017
 #3
avatar+87537 
+1

Mmmmm...  I had hectictar double-check my answer.....she doesn't find any error, either....

 

????

 

 

cool cool cool

CPhill  Dec 5, 2017
 #4
avatar+350 
+2

its right, i just forgot the symbol

ladiikeiii  Dec 5, 2017

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