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Postulates and Paragraph
Proofs
Page 91
Check for Understanding
1.
Deductive reasoning is used to support claims
that are made in a proof.
2.
3.
postulates, theorems, algebraic properties,
definitions
4. Explore:
There are four points, and each pair is
to be connected by a segment.
Plan:
Draw a diagram to illustrate the solution.
Solve:
Connect each point with every other point.
Then, count the number of segments. Between
every two points there is exactly one segment. For
the four points, six segments can be drawn.
Examine:
The six segments that can be drawn
are
A
w
B
w
,
A
w
C
w
,
A
w
D
w
,
B
w
C
w
,
B
w
D
w
, and
C
w
D
w
.
5. Explore:
There are six points, and each pair is to
be connected by a segment.
Plan:
Draw a diagram to illustrate the solution
Solve:
Connect each point with every other point.
Then, count the number of segments. Between
every two points there is exactly one segment. For
the 6 points, 15 segments can be drawn.
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This note was uploaded on 12/19/2011 for the course MAC 1140 taught by Professor Dr.zhan during the Fall '10 term at UNF.
 Fall '10
 Dr.Zhan
 Calculus, PreCalculus, Postulates

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