1.
V= l x w x h
V = 8 x 7.2 x 3
V = 172.8 cubic cm
v = (1/2 x b x h)x h
so
v = (1/2 x 10 x 12) x 12
v= 60 x 12
so volume = 720 cubic mm
5.9m questions
7.7m answers