Romiel's Suface Area and Volume Post

The net of a rectangular prism




How to find the surface area of a rectangular prism
The net of a triangular prism.

How to find the surface area of a triangular prism.

The net of a cylinder.

How to find the surface area of a cylinder

V= (b x h1 /2) x h2

V= (3 x 5/2) x 8.5m

V= 15/2 x 8.5m

V= 7.5m2 x 8.5m

V= 63.75m3

V= l x w x h

V= 20 x 8 x 16

V= 2560cm3

V= (b x h1/2) x h2

V= (2 x 8) x 6.5cm

V= 16cm2 x 6.5cm

V= 104cm3

3/8 = 0.375

0.375 x 104cm3 = 39cm3

R= d/2

R= 12/2

R= 6cm

V= π x r2 x h

V= 3.14 x 62 x 15cm

V= 3.14 x 36 x 15cm

V= 1695.6cm3