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Thursday, March 22, 2012

Jay Jay's Surface Area and Volume Post

Rectangular Prism

T+F+S
lxw lxw lxw
5x10=50m2 10x6=60m2 5x6=30m2

TSA=2(T+F+S)
TSA=2(50m2+60m2+30m2)
TSA=2(140m2)

Triangular Prism
bxh/2 8x9/2= 72/2
36x2=72cm
50+45+40=135cm2
TSA= 207cm2

Cylinder
πd
3.14x8=25.12mm
lxw
12x25.12=301.44mm
TSA= 50.24+50.24+301.44
TSA=40192mm2



bxh/2
3 x 5/2=
15/2=
7.5cm3
7.5 x 8.5=63.75m3
l x w x h
20 x 8 x 16= 2560cm3
bxh/2xh
4 x 8/2=
16 x 6.5=
104cm3
3/8=
.375
.375 x 104= 39cm3


πxRxRxH
3.14x6x6x15=1695.6

MANGA MANGA MANGAAAAA

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