油罐横卧,知道尺寸,知道油的深度,怎样求灌内油的体积

L = 3.4; d = 2.1;
体积公式:
L*d^2*(ArcCos[1 - 2 h/d] - Sin[ArcCos[1 - 2 h/d]]*Cos[ArcCos[1 - 2 h/d]])/4},{h,0,2.1,0.1}]
{高度,油的体积}
{0,0},
{0.1,0.20474995},
{0.2,0.57050232},
{0.3,1.0319527},
{0.4,1.5634832},
{0.5,2.1489395},
{0.6,2.7763925},
{0.7,3.4362115},
{0.8,4.1201415},
{0.9,4.8207841},
{1.,5.531265},
{1.1,6.2449951},
{1.2,6.9554759},
{1.3,7.6561186},
{1.4,8.3400486},
{1.5,8.9998675},
{1.6,9.6273205},
{1.7,10.212777},
{1.8,10.744307},
{1.9,11.205758},
{2.,11.57151},
{2.1,11.77626}