圆球,圆柱与圆锥之间有关系吗 圆锥、圆柱、圆球的体积公式
\u6807\u6ce8\u5c3a\u5bf8\u540e,\u5706\u67f1\u4f53,\u5706\u9525\u4f53,\u5706\u7403\u4f53\u80fd\u4e0d\u80fd\u7528\u4e00\u4e2a\u89c6\u56fe\u8868\u8fbe\uff1f\u5706\u67f1\u4f53\uff0c\u5706\u9525\u4f53\u548c\u5706\u7403\u4f53\u7684\u4fef\u89c6\u56fe\u662f\u4e00\u6837\u7684\uff0c\u5e76\u4e0d\u80fd\u533a\u5206\u5f00\u6765\uff0c\u81f3\u5c11\u8fd8\u8981\u6709\u53e6\u4e00\u4e2a\u89c6\u56fe\u624d\u53ef\u4ee5\u7684\uff01\u6807\u6ce8\u5c3a\u5bf8\u8868\u8fbe\u7684\u4e0d\u591f\u660e\u663e\uff0c\u8fd8\u662f\u9700\u8981\u89c6\u56fe\u624d\u53ef\u4ee5\u66f4\u597d\u7684\u8868\u8fbe\u5374\u5206
\u7403\uff1a1)
\u5168\u9762\u79ef=4\u03c0r^2=\u03c0d^2\uff1b
\u3010
r---\u7403\u534a\u5f84\uff0cd---\u7403\u76f4\u5f84\uff0c\u03c0---\u5706\u5468\u7387\uff08=3.14159....)
\u3011
2\uff09\u4f53\u79ef=(4/3)\u03c0r^3=(1/6)\u03c0d^3
\u3010^2---\u5e73\u65b9\u7b26\u53f7\uff0c^3----\u7acb\u65b9\u7b26\u53f7\u3011
\u5706\u9525\uff1a1)
\u4fa7\u9762\u79ef=\u03c0rl
2)
\u5168\u9762\u79ef=\u03c0r(l+r)\uff1b\u3010\u5168\u9762\u79ef=\u4fa7\u9762\u79ef+\u5e95\u9762\u79ef\u3011
3)
\u4f53\u79ef=(1/3)\u03c0r^2*h
\u5f0f\u4e2d\uff0cr---\u5706\u9525\u5e95\u9762\u5706\u7684\u534a\u5f84\uff0ch----\u5706\u9525\u7684\u9ad8\uff0cl----\u5706\u9525\u6bcd\u7ebf\u7684\u957f\u5ea6\uff0cl=\u221a(r^2+h^2)\u3002
\u5706\u53f0\uff1a
1)
\u4fa7\u9762\u79ef=\u03c0\uff08r1+r2)l
\uff1b
2\uff09\u5168\u9762\u79ef=\u03c0r1(l+r1)+\u03c0r2(l+r2)\uff1b
3\uff09\u4f53\u79ef=(1/3)\u03c0h(r1^2+r2^2+r1*r2),
\u5f0f\u4e2d\uff0cr1\u548cr2\u5206\u522b\u662f\u5706\u53f0\u7684\u4e0b\u5e95\u548c\u4e0a\u5e95\u7684\u534a\u5f84\uff0cl----\u5706\u53f0\u7684\u6bcd\u7ebf\u957f\u5ea6\uff0ci=\u221a[h^2+(r1-r2)^2]\uff0c
h----\u5706\u53f0\u7684\u9ad8\u3002
\u516c\u5f0f\u7684\u63a8\u5bfc\u8fc7\u7a0b\uff0c\u8bf7\u53c2\u8003\u6709\u5173\u6570\u5b66\u6559\u79d1\u4e66\u3002
之间有关系吗
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