As shown in the figure: VA-BCC' = VA-BCB', VA-BCB' = VA-A' B' C'
So: va-bcc' = va-BCB' = va-a' b' c'
Triangular prism ABC-A'B'C' volume = 3 * va-bcc' = 3 *1/3 * s △ bcc' * a =1/2 * s quadrilateral bcc 'b 'a
Simply put: V=a*S/2.
Composition on Tibetan cattle 1
I am an ordinary girl, but I like to do unusual things. I don't even know what my personality is. Sometimes it's good to be