thể tích Flashcards by Bánh Tráng | Brainscape

Q

thể tích khối chóp

A

1/3.h.Sđáy

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Q

S tam giác đều

A

(cạnh^2.căn3)/4

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Q

S tam giác

A

1/2 đáy cao

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Q

S hình thang

A

1/2.(đáy trên+dưới).h

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Q

S hcn

A

dài.rộng

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Q

S hình thoi

A

1/2.d1.d2 (2 đường chéo)

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