圆锥底面周长=3.14X200X2X(216°÷360°)=753.6m圆锥底面半径=753.6÷3.14÷2=120m圆锥的高=√(200²-120²)=160m圆锥体积=3.14X120²X160X(1/3)=2411520立方米
请
π[200x216/360]²根号[200²-(200x216/360)²]÷3