706.5=3.14r^2

Simple and best practice solution for 706.5=3.14r^2 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 706.5=3.14r^2 equation: 


Simplifying
706.5 = 3.14r2

Solving
706.5 = 3.14r2

Solving for variable 'r'.

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

Add '-3.14r2' to each side of the equation.
706.5 + -3.14r2 = 3.14r2 + -3.14r2

Combine like terms: 3.14r2 + -3.14r2 = 0.00
706.5 + -3.14r2 = 0.00

Add '-706.5' to each side of the equation.
706.5 + -706.5 + -3.14r2 = 0.00 + -706.5

Combine like terms: 706.5 + -706.5 = 0.0
0.0 + -3.14r2 = 0.00 + -706.5
-3.14r2 = 0.00 + -706.5

Combine like terms: 0.00 + -706.5 = -706.5
-3.14r2 = -706.5

Divide each side by '-3.14'.
r2 = 225

Simplifying
r2 = 225

Take the square root of each side:
r = {-15, 15}

See similar equations:

| 5=3(w+5)-5w | | 3a-4=2a+11 | | m^2+5mn-24n^2=0 | | 12x-18=8x-6-x+8 | | 5x^3-16x+8=0 | | 60.7904=3.14r^2 | | f^2-11fg+24g^2=0 | | -9.7=z-6.3 | | -4w(w-5)(w+2)= | | 3/5n=-30 | | 3x^2-31x+22=0 | | 4/5-2p=6/5 | | 6x^2+26x=-8 | | x^2-(1/9)=0 | | 44-5x=4x+20 | | 2x^2-7x-15=9 | | 2x+14=3x-15 | | i-0.6*29=34 | | x^2-120=0 | | 4-6y=2y-3 | | 3x(x+4)= | | c+150=1850 | | 6x+40=6x-70 | | 20.9=2.5+2.3(m-1) | | x^2+8x-480=0 | | 3a+7b+9a-4b= | | x=-4x^2/4 | | 2b+4c=19 | | 1.32/0.12 | | x+5(28-x)=88 | | (2x-3)-2(x+1)=10-15x | | 2x-5(2x+3)=4-2(x+3) |

Equations solver categories