CONG THUC TINH DIEN TICH, THE TICH HINH NON CUT

CHOP CUT NON CUT HINH CAU MUI CAU CHOM CAU

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r R h - - S V

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S = π(R+r)[ (R-r)² + h² ]½

V = πh/3 [ R² + r² + Rr ]

S : Dien tich xung quanh hinh non cut. Ki hieu ½ : mu 1/2 - hay can bac hai cua mot gia tri

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