Download Part I: Ch. 3 Section 1 Identifying Pairs of Lines and Angles Key

Name: ___________________
Geometry PAP
Period: ________
Part I: Ch. 3 Section 1 Identifying Pairs of Lines and Angles
Key Words
Definition
Parallel Lines
Two lines that do not __________
and are ______________.
Two lines that do not __________
and are not ____________.
Two planes that do not
_________.
Skew Lines
Parallel Planes
Real Life Example
Examples:
Line ____ and ____ are parallel lines.
Lines ____ and ____ are skew lines.
Plane ____ and ____ are parallel planes.
Lines ____ and ____ are intersecting lines, and there is a plane
(not shown) containing them.
Determine whether the following is either skew, parallel, or neither.
Parallel and Perpendicular Postulate:
Highlight and read Parallel and Perpendicular Postulate.
(Parallel Postulate)
(Perpendicular Postulate)
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Name: ___________________
Geometry PAP
Period: ________
A ______________ is a line that __________ _____ or more ___________ _________ at
different points.
Angles Formed by Transversals
Two angles are _____________ _________
if they have corresponding (similar/identical)
positions. For example, ____ and ____ are
above the lines and to the right of transversal t.
Two angles are ____________ __________
________ if they lie _______ the two lines
and on __________ _______ of the
transversal.
Two angles are ____________ __________
________ if they lie _______ the two lines
and on __________ _______ of the
transversal.
Two angles are ____________ __________
________ if they lie _______ the two lines
and on the _______ _______ of the
transversal.
Example:
Classify the pair of number angles as alternate interior angles, alternative exterior angles,
corresponding angles, or consecutive interior. Draw picture of missing pair.
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Name: ___________________
Geometry PAP
Period: ________
Part II: Ch. 3 Section 2 Using Parallel Lines and Transversals
Postulates and Theorems:
Highlight and read the following theorems.
Postulate/Theorem
Picture
_________ Angles
Postulate (Postulate
15)
Alternate ________
Angles Theorem
Alternate ________
Angles Theorem
________ ______
Angles Theorem
Examples:
Find the values of x and y.
Answer: _____________
Answer: _____________
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Name: ___________________
Geometry PAP
Period: ________
Find the values of x and y.
Answer: __________________
Answer: __________________
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