Odpowiedź:
25-16=9
144+18=180
sqrt(180)=6sqrt(5)
obw=12+16+25+6sqrt(5)
=52+6sqrt(5) =h
V=(((16+25)*12)/2)*52+6sqrt(5)
6sqrt(5) = 13,41
65,41
V=16090,86 cm^3
