98.01=r^2

Solution for 98.01=r^2 equation:

Simplifying
98.01 = r2

Solving
98.01 = r2

Solving for variable 'r'.

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

Add '-1r2' to each side of the equation.
98.01 + -1r2 = r2 + -1r2

Combine like terms: r2 + -1r2 = 0
98.01 + -1r2 = 0

Add '-98.01' to each side of the equation.
98.01 + -98.01 + -1r2 = 0 + -98.01

Combine like terms: 98.01 + -98.01 = 0.00
0.00 + -1r2 = 0 + -98.01
-1r2 = 0 + -98.01

Combine like terms: 0 + -98.01 = -98.01
-1r2 = -98.01

Divide each side by '-1'.
r2 = 98.01

Simplifying
r2 = 98.01

Take the square root of each side:
r = {-9.9, 9.9}