191.0376=4*3.14r^2

Simple and best practice solution for 191.0376=4*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 191.0376=4*3.14r^2 equation: 


Simplifying
191.0376 = 4 * 3.14r2

Multiply 4 * 3.14
191.0376 = 12.56r2

Solving
191.0376 = 12.56r2

Solving for variable 'r'.

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

Add '-12.56r2' to each side of the equation.
191.0376 + -12.56r2 = 12.56r2 + -12.56r2

Combine like terms: 12.56r2 + -12.56r2 = 0.00
191.0376 + -12.56r2 = 0.00

Add '-191.0376' to each side of the equation.
191.0376 + -191.0376 + -12.56r2 = 0.00 + -191.0376

Combine like terms: 191.0376 + -191.0376 = 0.0000
0.0000 + -12.56r2 = 0.00 + -191.0376
-12.56r2 = 0.00 + -191.0376

Combine like terms: 0.00 + -191.0376 = -191.0376
-12.56r2 = -191.0376

Divide each side by '-12.56'.
r2 = 15.21

Simplifying
r2 = 15.21

Take the square root of each side:
r = {-3.9, 3.9}

See similar equations:

| e=0.14x | | (37x+63y)+(39x-8y)= | | 2.2x-14.22=4.7 | | 2.2x-12.22=4.7 | | 4x^2=19 | | p=(7y+8)(2y-9) | | 4114.7816=4*3.14r^2 | | 78.5=4*3.14r^2 | | 6x-2(x+1)=3(2-x) | | (x+5)(2x+3)= | | n/2-2=12 | | 16277.76=4*3.14r^2 | | A=(7y+8)(2y-9) | | x^2+y^2-14y+49=49 | | y=5sen^2(9x) | | 7+2s-3=9s+13-6s | | 8(t-4)+4t=6(2t+2)-11 | | (4+1)x(10/2) | | 13m+39= | | 3logx=5 | | (7+w)(4w-6)=0 | | (2x^2-1)+2x^2-3=0 | | 6(2x-4)+5=3(2x+5) | | -(.5X-3)/4(X/5) | | 3(2x-5)-4=4(x+2) | | 5(2x+3)=3(2x+3) | | 3x+1=6x-y | | 4z-3/z+6 | | .5(7x/48) | | 3x-12/x=9 | | .5(5-7X)=8-(4X/6) | | 7x+22=2(5x+2) |

Equations solver categories