看公式编题(如下)s侧=ch S表=S侧+2S底 S表2S底+S侧 S表=S底+S侧 V体=SH V锥=1/3SH
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![看公式编题(如下)s侧=ch S表=S侧+2S底 S表2S底+S侧 S表=S底+S侧 V体=SH V锥=1/3SH](/uploads/image/z/1791004-4-4.jpg?t=%E7%9C%8B%E5%85%AC%E5%BC%8F%E7%BC%96%E9%A2%98%EF%BC%88%E5%A6%82%E4%B8%8B%EF%BC%89s%E4%BE%A7%3Dch+S%E8%A1%A8%3DS%E4%BE%A7%2B2S%E5%BA%95+S%E8%A1%A82S%E5%BA%95%2BS%E4%BE%A7+S%E8%A1%A8%3DS%E5%BA%95%2BS%E4%BE%A7+V%E4%BD%93%3DSH+V%E9%94%A5%3D1%2F3SH)
看公式编题(如下)s侧=ch S表=S侧+2S底 S表2S底+S侧 S表=S底+S侧 V体=SH V锥=1/3SH
看公式编题(如下)
s侧=ch S表=S侧+2S底 S表2S底+S侧 S表=S底+S侧 V体=SH V锥=1/3SH
看公式编题(如下)s侧=ch S表=S侧+2S底 S表2S底+S侧 S表=S底+S侧 V体=SH V锥=1/3SH
编题都不会,
设c=1,h=2,求S侧
S侧=ch=1*2=2
后面的自己编