跪求三角体体积计算公式。。。
\u4e09\u89d2\u4f53\u4f53\u79ef\u8ba1\u7b97\u516c\u5f0f\u4e09\u89d2\u4f53\u53c8\u88ab\u6210\u4e3a\u4e09\u68f1\u9525\uff0c\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a
h\u4e3a\u5e95\u9ad8\uff08\u6cd5\u7ebf\u957f\u5ea6\uff09\uff0cA\u4e3a\u5e95\u9762\u9762\u79ef\uff0cV\u4e3a\u4f53\u79ef\uff0cL\u4e3a\u659c\u9ad8\uff0cC\u4e3a\u68f1\u9525\u5e95\u9762\u5468\u957f\u3002
\u4e09\u68f1\u9525\u68f1\u9525\u7684\u4fa7\u9762\u5c55\u5f00\u56fe\u662f\u75314\u4e2a\u4e09\u89d2\u5f62\u7ec4\u6210\u7684\uff0c\u5c55\u5f00\u56fe\u7684\u9762\u79ef\uff0c\u5c31\u662f\u68f1\u9525\u7684\u4fa7\u9762\u79ef\uff0c\u5219 \uff1a(\u5176\u4e2dSi,i= 1,2\u4e3a\u7b2ci\u4e2a\u4fa7\u9762\u7684\u9762\u79ef\uff09
S\u5168=S\u68f1\u9525\u4fa7+S\u5e95
S\u6b63\u4e09\u68f1\u9525=1/2CL+S\u5e95
V=S(\u5e95\u9762\u79ef)\u00b7H(\u9ad8)\u00f73
\u62d3\u5c55\u8d44\u6599
\uff08\u9762\u79ef=\u5e95\u00d7\u9ad8\u00f72\u3002\u5176\u4e2d\uff0ca\u662f\u4e09\u89d2\u5f62\u7684\u5e95\uff0ch\u662f\u5e95\u6240\u5bf9\u5e94\u7684\u9ad8\uff09\u6ce8\u91ca\uff1a\u4e09\u8fb9\u5747\u53ef\u4e3a\u5e95\uff0c\u5e94\u7406\u89e3\u4e3a\uff1a\u4e09\u8fb9\u4e0e\u4e4b\u5bf9\u5e94\u7684\u9ad8\u7684\u79ef\u7684\u4e00\u534a\u662f\u4e09\u89d2\u5f62\u7684\u9762\u79ef\u3002\u8fd9\u662f\u9762\u79ef\u6cd5\u6c42\u7ebf\u6bb5\u957f\u5ea6\u7684\u57fa\u7840\u3002
\uff08\u5176\u4e2d\uff0c\u4e09\u4e2a\u89d2\u4e3a\u2220A\uff0c\u2220B\uff0c\u2220C\uff0c\u5bf9\u8fb9\u5206\u522b\u4e3aa\uff0cb\uff0cc\u3002\u53c2\u89c1\u4e09\u89d2\u51fd\u6570\uff09
(l\u4e3a\u9ad8\u6240\u5728\u8fb9\u4e2d\u4f4d\u7ebf\uff09
\uff08\u6d77\u4f26\u516c\u5f0f\uff09\uff0c\u5176\u4e2d
\u79e6\u4e5d\u97f6\u516c\u5f0f\uff08\u4e0e\u6d77\u4f26\u516c\u5f0f\u7b49\u4ef7\uff09
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1-\u4e09\u89d2\u5f62
\u53c2\u8003\u8d44\u6599\uff1a\u767e\u5ea6\u767e\u79d1-\u4e09\u68f1\u9525
\u5e95\u9762\u79ef\u4e58\u4ee5\u9ad8\u9664\u4ee53
因该是长×宽×高÷2V=sh÷3
体积△=底面积×高÷3
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