3.1 identify paris of lines and angles
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Transcript of 3.1 identify paris of lines and angles
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Mr. Saucedo
Geometry
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We will identify angle pairs formed by three intersecting lines.
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DEFINITIONCoplanar lines that do not intersect
VISUAL
LABELWe use two vertical parallel lines to indicate
parallelism.
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DEFINITIONFormed when two lines make at least one
90 degree angle.
VISUAL
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DEFINITIONTwo lines that do not intersect and are NOT
coplanar.
VISUAL
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DEFINITIONTwo planes that do not intersect.
VISUAL
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DEFINITIONA line that intersects two or more coplanar
lines at different points.
VISUAL
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Look at the figure and respondThe following questions.
A. Name two parallel lines.B. Name two skew lines.C. Name two parallel planes.D. Is there a transversal line in this figure?
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DEFINITIONAngles that have a corresponding (similar)
position.
VISUAL
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DEFINITIONTwo angles that lie between two lines and
on opposite sides of the transversal.
VISUAL
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DEFINITIONTwo angles that lie outside two lines and
opposite sides of a transversal.
VISUAL
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DEFINITIONTwo angles that lie between two lines and
on same side of transversal.
VISUAL
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Look at the following sketch and answer the following questions.
A. Name two corresponding angles.B. Name two alternate interior angles.C. Name two alternate exterior angles.D. Name two consecutive interior angles.E. <2 and <8 are ___________________.F. <7 and <8 are ___________________.G. <3 and <5 are ___________________.
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Draw this on the RIGHT side of your notes, in your notebook, for today.
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WRITE ONLY THE ANSWERS BOOK, page 150 & 151
Problems: 1, 3, 4, 5, 6, 8, 11, 12, 13, 14, 18, 19, 20, 21, 22, 23
BONUS: 24, 25, 16, 27
PRE-AP: ADD PROBLEMS 29, 30, 31, 32.
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Workbook, pages 43 & 44Problems: 1-24. All problems.