1690.0736=4*3.14r^2

Simple and best practice solution for 1690.0736=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 1690.0736=4*3.14r^2 equation: 


Simplifying
1690.0736 = 4 * 3.14r2

Multiply 4 * 3.14
1690.0736 = 12.56r2

Solving
1690.0736 = 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.
1690.0736 + -12.56r2 = 12.56r2 + -12.56r2

Combine like terms: 12.56r2 + -12.56r2 = 0.00
1690.0736 + -12.56r2 = 0.00

Add '-1690.0736' to each side of the equation.
1690.0736 + -1690.0736 + -12.56r2 = 0.00 + -1690.0736

Combine like terms: 1690.0736 + -1690.0736 = 0.0000
0.0000 + -12.56r2 = 0.00 + -1690.0736
-12.56r2 = 0.00 + -1690.0736

Combine like terms: 0.00 + -1690.0736 = -1690.0736
-12.56r2 = -1690.0736

Divide each side by '-12.56'.
r2 = 134.56

Simplifying
r2 = 134.56

Take the square root of each side:
r = {-11.6, 11.6}

See similar equations:

| 3a^3+27a^2+60a= | | 4(x^2-1)+(x+1)(x-3)=0 | | X-40=15 | | -9=-1+-2m | | 9-4x=6x-(2-3x) | | 1690.0736=4*3.13r^2 | | (1-cos(x))(1+cos(x))= | | 4(x^2-1)+(x+1)=0 | | 6x+6+3x=16 | | 51+90+x=180 | | -6=-1+-2m | | Log(x)-log(x-3)=0 | | A+bx=c-dx | | 4(x^2)+(x+1)=0 | | R/8=10 | | 12x^2-8x+138=0 | | -15x+30=15x+6 | | 9x+3=9x+23 | | 2-3t=-7 | | x^2-6x+6=1 | | 5=y/5-8 | | 289.3824=4*3.13r^2 | | 3/8u=21 | | 2/9s=-16 | | 90+16+x=180 | | y-2x^2-9=0 | | 0.5(-8+1)=-4p+1 | | a-2a+5a= | | 100+x+40=100 | | 2(6x+4)=3x+24 | | 45+35+x=180 | | 5y+-9y=-2y |

Equations solver categories