V= bxh divide 2 x height
=3x5 divide 2= 7.5m2
=7.5x8.5 = 63.5m2
V= lxwxh
= 2560cm2= 20x8x16
V= bxh divide 2 x h
= 4x8 divide 2 x h
= 32 divide 2 x h
= 16 x 6.5
=104cm2
To find 3/8 u can do 104 divide by 8 x 3 which is
39cm2
V= Pi, Radius squared x h
= 3.14x6x6x15
=1695.6cm2
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