Answer 1: 
Answer 2: 
Note: BOTH of those answers are correct. Chose either one.
<u>Factor left side of equation</u>
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<u>Set factors equal to 0</u>
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Answer:
√193
Step-by-step explanation:
7^2 = 49
12^2 = 144
144 + 49= 193
√193 because you are trying to find c not c^2
The circumference of a circle in terms of pi is: 2πR
Where R is the circle radius.