lesson 4-3 transversals and corresponding angles
TRANSCRIPT
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Lesson Lesson 4-34-3
Transversals Transversals and and
Corresponding Corresponding AnglesAngles
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Ohio Content Standards:
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Ohio Content Standards:
Recognize and apply angle relationships in situations involving intersecting lines,
perpendicular lines and parallel lines.
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Ohio Content Standards:
Recognize the angles formed and the
relationship between the angles when two lines
intersect and when parallel lines are cut by a
transversal.
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Ohio Content Standards: Use algebraic
representations, such as tables, graphs,
expressions, functions and inequalities, to model
and solve problem situations.
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Ohio Content Standards:
Write, simplify and evaluate algebraic
expressions (including formulas) to generalize
situations and solve problems.
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Corresponding Angles
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Corresponding Anglest
l
m
7
6
8
5
4 3
21
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Lines a and b are cut by transversal c. Name two pairs of corresponding
angles.
ba
c1
43
2 5 6
7 8
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Postulate 4-1Corresponding Angles
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Postulate 4-1Corresponding Angles
If two parallel lines are cut by a transversal,
then each pair of corresponding angles
is congruent.
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Refer to the figure below.
b
a
k
1
4
3
2
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Refer to the figure below.
b
a
k
1
4
3
2
answer.your Explain
1? tocongruent is angleWhich
al. transversa is and , figure, In the
kba
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Refer to the figure below.
b
a
k
1
4
3
2
.604 if
1 of measure theFind
m
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Theorem 4-4Perpendicular Transversal
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Theorem 4-4Perpendicular Transversal
If a transversal is perpendicular to one
of two parallel lines, it is perpendicular to the
other.
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In the figure, pllq, and transversal r is perpendicular to q.
2
r
p
q
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In the figure, pllq, and transversal r is perpendicular to q.
2
r
p
q
. find ),2(32 If xxm
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Assignment:
Pgs. 159-161 14-28 evens, 34-38 evens