1270.444=6.28r^2+137.532

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Solution for 1270.444=6.28r^2+137.532 equation: 


Simplifying
1270.444 = 6.28r2 + 137.532

Reorder the terms:
1270.444 = 137.532 + 6.28r2

Solving
1270.444 = 137.532 + 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 = 137.532 + 6.28r2 + -6.28r2

Combine like terms: 6.28r2 + -6.28r2 = 0.00
1270.444 + -6.28r2 = 137.532 + 0.00
1270.444 + -6.28r2 = 137.532

Add '-1270.444' to each side of the equation.
1270.444 + -1270.444 + -6.28r2 = 137.532 + -1270.444

Combine like terms: 1270.444 + -1270.444 = 0.000
0.000 + -6.28r2 = 137.532 + -1270.444
-6.28r2 = 137.532 + -1270.444

Combine like terms: 137.532 + -1270.444 = -1132.912
-6.28r2 = -1132.912

Divide each side by '-6.28'.
r2 = 180.4

Simplifying
r2 = 180.4

Take the square root of each side:
r = {-13.431306712, 13.431306712}

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