180=16r^2

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Solution for 180=16r^2 equation: 


Simplifying
180 = 16r2

Solving
180 = 16r2

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-16r2' to each side of the equation.
180 + -16r2 = 16r2 + -16r2

Combine like terms: 16r2 + -16r2 = 0
180 + -16r2 = 0

Add '-180' to each side of the equation.
180 + -180 + -16r2 = 0 + -180

Combine like terms: 180 + -180 = 0
0 + -16r2 = 0 + -180
-16r2 = 0 + -180

Combine like terms: 0 + -180 = -180
-16r2 = -180

Divide each side by '-16'.
r2 = 11.25

Simplifying
r2 = 11.25

Take the square root of each side:
r = {-3.354101966, 3.354101966}

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