设圆锥的体积为V,底面半径为r,高为h,母线为√(r²+h²)侧面积=πr√(r²+h²)底面积=πr²全面积=πr√(r²+h²)+πr²=10π,得h=√(100-20r²)/rV=πr²√(100-20r²)...