24.
V=Pp×H
Pp=½a×h
Pp=½×5×12=30cm²
V=30×9=270cm³
25.
Pp=(a+b)×h/2
Pp=(5+8)×2/2=13×1=13cm²
V=13×6=78cm³
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24.
V=Pp×H
Pp=½a×h
Pp=½×5×12=30cm²
V=30×9=270cm³
25.
Pp=(a+b)×h/2
Pp=(5+8)×2/2=13×1=13cm²
V=13×6=78cm³