SOLUTION: PLEASE HELP!!! if the radius of a certain circle is tripled,with 8.2 cm then added, the result is the circumference of the circle. Find the radius of the circle. (Use 3.14 as pi

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Question 661113: PLEASE HELP!!!
if the radius of a certain circle is tripled,with 8.2 cm then added, the result is the circumference of the circle. Find the radius of the circle. (Use 3.14 as pi) THANKS!

possible answers:
-.884 CM
-1.78 CM
-2.5 CM

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
if the radius of a certain circle is tripled,with 8.2 cm then added,
the result is the circumference of the circle.
Translate into an equation***

8.2cm = 6.28r - 3r
8.2cm = 3.28r
2.5cm = r


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