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Sunday, March 11, 2012

Terence' Surface Area Post

Rectangular Prism



T= 10x5=50m2
F= 6x10=60m2

S= 6x5=30m2











Net






Surface Area:

TSA=2(50+60+30)
TSA=2(140)

=280m2

Cylinder
D divided by 2=R 8 divided by 2=4

C=Pie D
C=3.14x8
=25.12 mm2

A=Pie R2
A=3.14x4x4
A=50.24 mm2











NET









Surface Area
TSA=50.24+50.24+301.44
=401.92mm2


Triangular Prism



BxH divided by 2

8x9 divided by 2=36cm2

8x9 divided by 2=36cm2

lxw
10x5=50cm2

9x5=45cm2

8x5=40cm2




Surface Area
TSA=36+36+50+45+40
=207cm2

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