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RELATIONSHIPS
AMONG ANGLES
FORMED BY
PARALLEL
LINES
CUT BY A
TRANSVERSAL
LINE
a. The alternate angles formed are
______________________
c
b
g
f
a
d
e
h
1. Complete: When a transversal
meets two or more parallel lines:
equal
b. The co-interior angles formed are
______________________
1. Complete: When a transversal
meets two or more parallel lines:
c
b
g
f
a
d
e
h
supplementary
c. The corresponding angles formed are
______________________
c
b
g
f
a
d
e
h
1. Complete: When a transversal
meets two or more parallel lines:
equal
c. The corresponding angles
formed are equal.
c
b
g
f
a
d
e
h
b. The co-interior angles
formed are supplementary.
a. The alternate angles
formed are equal.
2. In the following diagrams, š“B||š¶F. In each
case, find the value of š‘Ž, giving a reason or
reasons.
Answer: a = 110 (corresponding angles)
2. In the following
diagrams, š“B||š¶F.
In each case, find
the value of š‘Ž,
giving a reason or
reasons.
Answer: a = 95 (co-interior angles)
GIVE 1 REAL-LIFE SITUATION
THAT WE CAN USE THIS CONCEPT
PARALLEL LINES CUT BY A
TRANSVERSAL LINE
NLC-DEMO.pptx
NLC-DEMO.pptx
NLC-DEMO.pptx
NLC-DEMO.pptx
NLC-DEMO.pptx
NLC-DEMO.pptx
NLC-DEMO.pptx

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NLC-DEMO.pptx

  • 2.
  • 3.
  • 4. a. The alternate angles formed are ______________________ c b g f a d e h 1. Complete: When a transversal meets two or more parallel lines: equal
  • 5. b. The co-interior angles formed are ______________________ 1. Complete: When a transversal meets two or more parallel lines: c b g f a d e h supplementary
  • 6. c. The corresponding angles formed are ______________________ c b g f a d e h 1. Complete: When a transversal meets two or more parallel lines: equal
  • 7. c. The corresponding angles formed are equal. c b g f a d e h b. The co-interior angles formed are supplementary. a. The alternate angles formed are equal.
  • 8. 2. In the following diagrams, š“B||š¶F. In each case, find the value of š‘Ž, giving a reason or reasons. Answer: a = 110 (corresponding angles)
  • 9. 2. In the following diagrams, š“B||š¶F. In each case, find the value of š‘Ž, giving a reason or reasons. Answer: a = 95 (co-interior angles)
  • 10.
  • 11.
  • 12. GIVE 1 REAL-LIFE SITUATION THAT WE CAN USE THIS CONCEPT PARALLEL LINES CUT BY A TRANSVERSAL LINE

Editor's Notes

  1. We can use what we have learned in our study of geometry to help us solve real-life problems. Today we will use our knowledge of angles formed by parallel lines cut by a transversal in finding the solutions to such problems.
  2. We can use what we have learned in our study of geometry to help us solve real-life problems. Today we will use our knowledge of angles formed by parallel lines cut by a transversal in finding the solutions to such problems.