Chuan kien thuc Hinh hoc 12 (Day them)
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A. THỂ TÍCH KHỐI ĐA DI Ệ N
I/ Các công thức thể tích của khối đa diện:
1. THỂ TÍCH KHỐI LĂNG TRỤ:
B: dieän tích ñaùy
h : chieàu cao
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2. THỂ TÍCH KHỐI CHÓP
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3. TỈ SỐ THỂ TÍCH TỨ DIỆN
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B. MẶT NÓN, MẶT TRỤ, MẶT CẦU.
I) MẶT NÓN, HÌNH NÓN, KHỐI NÓN:
1) Mặt nón:
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nThể tích khối nón:
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II) MẶT TRỤ, HÌNH TRỤ, KHỐI TRỤ:
1) Mặt trụ:
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Chú ý: )..Nl.
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1) Mặt cầu:
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QHỆ TỌA ĐỘ TRONG KHÔNG GIAN
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