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Sunday, March 11, 2012

Elijah's Surface Area And Volume Post





T: LxW
10x5=50m
F: LxW
6x10=60m
S: LxW
5x6=30m
TSA= 2(50+60+30)
TSA= 2(140)
TSA= 280m

LxW
27x5=135cm
BxH/2
9x8/2
72/2
36cm
135+36+36=207cm
r=d/2
r=8/2
r=4mm
c=pi d
c=3.14x8
c=25.12
LxW
12.25.12= 301.44mm
a=pi r2
a=3.14x42
a=3.14x16
a=50.24mm2
TSA=301.44+50.24+50.24
TSA=401.92mm2
Formula: Base x Height Divided by 2 x Height
3 x 5/2=
15/2=
7.5cm3
7.5 x 8.5=
63.75m3
Formula: Length x Width x Height
20 x 8 x 16=
2560cm3
Formula: Base x Height1 Divided by Two x Height2
4 x 8/2=
16 x 6.5=
104cm3
3/8=
.375
.375 x 104= 39cm3
Formula Volume: (AOB x Height)
Radius: d/2
r: 12/2
r: 6
A.O.C: πr²
A.O.C: 3.14 x 6 x 6
A.O.C: 113.04cm2
v= 113.04 x 15
v= 1695.6cm³

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