Sunday, March 21, 2010

Shania's Surface Area Growing Post















Area 1
A=LxW
A=1x8
A=8cm
Area 2
A=LxW
A=4x8
A=32cm
Area 3
A=LxW
A=4x1
A=4cm

TSA=A1+A1+A2+A2+A3+A3
TSA=8 +8 + 32+32+ 4 + 4
TSA=88cm²


























Area 1
A=BxH/2
A=8x4/2
A=16cm
Area 2
A=LxW
A=4x4
A=16cm
Area 3
A=LxW
A=4x8
A=32cm
TSA=A1+A1+A2+A3+A3
TSA=16+16+16+32+32
TSA=112cm²















C=πd
C=3.14x4
C=12.56

r=d/2
r=4/2
r=2

L.A.=LxW
L.A.=12.56x14
L.A.=175.84cm

TSA=circle+circle+L.A.
TSA=12.56+12.56+175.84
TSA=200.96cm²

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