Area of a rectangle: l x w

Triangular Prism
Area of a triangle: bxh/2

Cylinder


bxh/2
3x5/2 x 8.5
15/2 x 8.5
7.5 x 8.5=
v= 63.75m³

lxwxh
20x8x16=
v= 2560cm³

bxh/2 xh
8x4/2 x 6.5
32/2 x 6.5
16x6.5
=104cm³
104/8=13
13x3
v=39cm³

3.14x6x6x15=
r=d/2 v=1695.6cm³
r=12/2
r= 6cm
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