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Simplifying
1270.444 = 2 * 3.14r2
Multiply 2 * 3.14
1270.444 = 6.28r2
Solving
1270.444 = 6.28r2
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-6.28r2' to each side of the equation.
1270.444 + -6.28r2 = 6.28r2 + -6.28r2
Combine like terms: 6.28r2 + -6.28r2 = 0.00
1270.444 + -6.28r2 = 0.00
Add '-1270.444' to each side of the equation.
1270.444 + -1270.444 + -6.28r2 = 0.00 + -1270.444
Combine like terms: 1270.444 + -1270.444 = 0.000
0.000 + -6.28r2 = 0.00 + -1270.444
-6.28r2 = 0.00 + -1270.444
Combine like terms: 0.00 + -1270.444 = -1270.444
-6.28r2 = -1270.444
Divide each side by '-6.28'.
r2 = 202.3
Simplifying
r2 = 202.3
Take the square root of each side:
r = {-14.223220451, 14.223220451}
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