200=(3.14)r^2

Simple and best practice solution for 200=(3.14)r^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 200=(3.14)r^2 equation: 


Simplifying
200 = (3.14) * r2

Solving
200 = 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.
200 + -3.14r2 = 3.14r2 + -3.14r2

Combine like terms: 3.14r2 + -3.14r2 = 0.00
200 + -3.14r2 = 0.00

Add '-200' to each side of the equation.
200 + -200 + -3.14r2 = 0.00 + -200

Combine like terms: 200 + -200 = 0
0 + -3.14r2 = 0.00 + -200
-3.14r2 = 0.00 + -200

Combine like terms: 0.00 + -200 = -200
-3.14r2 = -200

Divide each side by '-3.14'.
r2 = 63.69426752

Simplifying
r2 = 63.69426752

Take the square root of each side:
r = {-7.980868845, 7.980868845}

See similar equations:

| 3x^2+8=6x | | 3x+0.5x+11=-19 | | 3a+9=-4a+170 | | 4x(11-2x)=10 | | 3(7x-5)=27 | | 0.125(150+x)=125 | | 1=5y+3 | | o=4x-24 | | o=2x+8 | | 6a+c=-4a | | 276.32=3.14*r^2 | | 6*0+5y=30 | | 6i=-7 | | h(t)=-16t^2+31t+2 | | -20=3 | | -6+14*(-3)=-11 | | 5x+252.5=2080 | | 8x+4y=228 | | 2x^3-14x^2-24x= | | 7g^2-3g-8=0 | | 0.5(x+450)=300 | | -9=-6t+16 | | 5y=-2x+3 | | 2x=5(x+30) | | 3a^3b*7ab^5= | | Cos(x)=-.5478 | | 7(-6+9m)= | | 0.25(x+9)=7 | | 4(-2+5k)= | | Sec(x)=-2.773 | | 4x+28=2x+16 | | 14m-5m= |

Equations solver categories