250000=4*3.14*r^2

Simple and best practice solution for 250000=4*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 250000=4*3.14*r^2 equation: 


Simplifying
250000 = 4 * 3.14r2

Multiply 4 * 3.14
250000 = 12.56r2

Solving
250000 = 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.
250000 + -12.56r2 = 12.56r2 + -12.56r2

Combine like terms: 12.56r2 + -12.56r2 = 0.00
250000 + -12.56r2 = 0.00

Add '-250000' to each side of the equation.
250000 + -250000 + -12.56r2 = 0.00 + -250000

Combine like terms: 250000 + -250000 = 0
0 + -12.56r2 = 0.00 + -250000
-12.56r2 = 0.00 + -250000

Combine like terms: 0.00 + -250000 = -250000
-12.56r2 = -250000

Divide each side by '-12.56'.
r2 = 19904.4586

Simplifying
r2 = 19904.4586

Take the square root of each side:
r = {-141.083162, 141.083162}

See similar equations:

| 12-12y=24x | | (4x-5)= | | a+2b+4c=-9 | | 5(2-3r)4r-123= | | 3a-b+2c=1 | | (5u+4)(7-u)=0 | | 6+18m=-8(-2m+5)-4 | | 6m-2(7m+7)=-86 | | 25=18.5 | | 11-2y=4x | | 800=x^2+36x+308 | | x^2-1=31 | | 5y-4y-5=20 | | 87=29 | | m^4-8m^3+32m^2-64m+64=0 | | -81=7w-18 | | 29=87 | | 9x^2-12x-15=-10 | | 88=145 | | 2(3x+1)-2x=18 | | 2x=-6x+2 | | P-3q-r=10 | | X*y=10y-14 | | x^3-2ax^2+a^2x=0 | | -4x+16=-32+2x | | (2x-6)+60-x=180 | | lne^2x+1= | | 64=a+4 | | 30y^3-6y^2+12=0 | | 8f=0 | | d(2+d)= | | 11/44=15/x |

Equations solver categories