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Copy in agenda and add to TOC #2 Congruent Angles. 1. 2. 4. 3. lr. 5. 6. 8. 7. lw. lr || lw. Parallel Lines and Angle Relationships. Vocabulary. Congruent Complementary Angles Supplementary Angles Parallel Lines Transversal Corresponding Angles Alternate Interior Angles
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Copy in agenda and add to TOC • #2 Congruent Angles
1 2 4 3 lr 5 6 8 7 lw lr || lw Parallel Lines and Angle Relationships
Vocabulary Congruent Complementary Angles Supplementary Angles Parallel Lines Transversal Corresponding Angles Alternate Interior Angles Alternate Exterior Angles Vertical Angles Same Side Interior Angles
7-2 Parallel and Perpendicular Lines Course 3 • Complete each sentence. • Angles that have equal measures are ______________. • 2. Angles whose measures have a sum of 90° are _______________ . • 3. Angles whose measures have a sum of 180° are ______________. congruent complementary supplementary
lr lw lr || lw PARALLEL LINES • Two or more lines are parallel if and only if they are in the same plane and they do not intersect. (line w and r)
lr lw lr || lw TRANSVERSAL • A line intersecting two or more coplanar lines. (lines r and w)
1 2 lr 3 4 5 6 lw 8 7 lr || lw CORRESPONDING ANGLES • Corresponding angles are congruent.
lr lw lr || lw 1 8 7 2 ALTERNATE EXTERIOR ANGLES • Alternate Exterior angles are congruent.
lr 3 4 5 6 lw lr || lw ALTERNATE INTERIOR ANGLES • Alternate Interior angles are congruent.
lr 3 6 lw lr || lw 1 5 4 8 7 2 VERTICAL ANGLES • If two angles are Vertical angles, then they are also congruent.
lr lw lr || lw SAME SIDE INTERIOR ANGLES • If two angles are Same Side Interior Angles, then they are also supplementary. 1 5
Warm Up What is the name of the transversal?
lr lw lr || lw Adjacent Angles • If two angles are adjacent angles, then they are also supplementary.
Write your name in the vertical angle to Math8 • Draw a heart in the corresponding angle to your name • Draw a smiley face in the same-side exterior angle to the heart • Draw a star in the alternate exterior angle to the smiley face • Write “I love math” in the adjacent angle to the star • In the same side interior angle to your name, draw a flower • In the alternate interior angle to the flower, write today’s date
Write your name in the upper right angle • Draw a star in the corresponding angle to your name • Draw a heart vertical to the star • Write the name of your favorite actor/actress’ alternate interior angle to the star • Draw flower for the same side interior to the star. • Draw smiley face vertical to the flower • Draw a sun corresponding angle to smiley face. • Write “D” to the angle adjacent to the heart.
Warm Up – Name ALL: Veritical Angles Corresponding Angles a b c d e f g h
Write your name in the upper left angle • Write your boy friend/girl friend’s name in the alternate exterior angle to your name. • Draw a smiley face in the angle that is vertical to your boyfriend/girlfriend’s name. • Draw a stick figure in the same side exterior to your boyfriend/girlfriend’s name • Draw a circle alternate exterior to the stick figure. • Write your favorite color adjacent to smiley face. • Write an algebraic expression corresponding to the circle. • Write your favorite subject alternate interior to smiley face.
Write “Z” on the upper right angle. • Write your Mom/Dad’s name corresponding to Z. • Draw a sun vertical to Z. • Write your favorite tv show/movie alternate exterior to Z. • Write your shoe size same side interior to the sun. • Draw a triangle corresponding to your shoe size. • Draw a star adjacent to your Mom/Dad’s name. • Write your favorite sport corresponding to the star.
Terms Review • Parallel Lines • Transversal • Corresponding Angles • Alternate Interior Angles • Alternate Exterior Angles • Vertical Angles • Same Side Interior Angles