Analyze 3D Cubes
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QUESTION
What is the exposed face count for a solid
3
×
2
×
1
3\times 2\times 1
3
×
2
×
1
rectangular prism of cubes?
QUESTION
What is the exposed face count for a solid
3
×
3
×
2
3\times 3\times 2
3
×
3
×
2
rectangular prism of cubes?
QUESTION
What is the exposed face count for a solid
4
×
3
×
2
4\times 3\times 2
4
×
3
×
2
rectangular prism of unit cubes?
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ANSWER
52. Prism formula
2
(
a
b
+
a
c
+
b
c
)
2(ab + ac + bc)
2
(
ab
+
a
c
+
b
c
)
with
a
=
4
a=4
a
=
4
,
b
=
3
b=3
b
=
3
,
c
=
2
c=2
c
=
2
computes the total surface area.
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