If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3.14*5*(1/3)*1.5^2
15.7*(1/3)*1.5^2
1/3*15.7*1.5^2
5.233333281*1.5^2
5.23333328*1.5^2
11.77499988
| R/9 | | 1/4r-3=7 | | 1/3(3.14)(6)2(8.5) | | 6x+6+80+x=180 | | 2d+1.9=2.87 | | 36x^5+30=0 | | 6x+6+80=90 | | 1/3(3.14)(6)2(10) | | .7-3.2=1.7 | | Kx^2-y+(k-1)x=0 | | 2x+2y(2-1)=22-2y | | -4x+6=-x+15 | | 2d+1+d+3=3d | | 1/2w-6/5=-5/3 | | -9-19a=-6 | | 1/3(3.14)(8)2(8) | | 4.2x-5=1.4x+3.4 | | 3+4e^5x=15 | | 1/3(3.14)(8)2(16) | | 4m-m-m=16 | | (3x+50)+(6x-10)=180 | | 8y-3y+5y-4y=18 | | 1/3(3.14)(2)2(3.8) | | 36+u=6(7u)+u | | 1/3(3.14(2)2(3.8) | | 16x+5x+(-9x)-(-4x)-11x=(-5) | | Cos72=4/x | | 1/3(3.14)(3.5)2(8) | | 7/8x2/5 | | 2x+12+6x-4=48 | | A=2ab+2ac+2ac | | 4[3-(2x+8)]=4(4x+6) |