# data[].attributes.headline
What is parallel lines and what does parallel lines mean

# data[].attributes.subject
What is parallel lines and what does parallel lines mean

# data[].attributes.body
Supplementary and complementary angles

# data[].attributes.headline
Parallel lines are lines that are 2 straight lines that will never intersect. Transversals are lines that crosses the parallel lines.

# data[].attributes.subject
Parallel lines are lines that are 2 straight lines that will never intersect. Transversals are lines that crosses the parallel lines.

# data[].attributes.headline
Parallel line are a pair of straight which they never intersect 

# data[].attributes.subject
Parallel line are a pair of straight which they never intersect 

# data[].attributes.body
What are those

# data[].attributes.body
Supplementary angles
Complementary angles
Vertical angles

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Transversal

# data[].attributes.headline
Two parallel lines don't meet, they go on forever

# data[].attributes.subject
Two parallel lines don't meet, they go on forever

# data[].attributes.body
Parallel lines are two lines which cannot meet.

# data[].attributes.body
corr. angles
alt.angles
int angles
tranversal
parallel lines

# data[].attributes.body
more about angles

# data[].attributes.headline
I want to be more familiar with calculating things about transversal and parallel lines

# data[].attributes.subject
I want to be more familiar with calculating things about transversal and parallel lines

# data[].attributes.headline
I have learned that the three angles form when there are parallel lines

# data[].attributes.subject
I have learned that the three angles form when there are parallel lines

# data[].attributes.headline
I learnt what are alternate angles, corresponding angles and interior angles

# data[].attributes.subject
I learnt what are alternate angles, corresponding angles and interior angles

# data[].attributes.body
Alternate angles
Corresponding angles
Interior angles

# data[].attributes.headline
I learnt how to find the unknowns by alternate angles, corresponding angles and interior angles

# data[].attributes.subject
I learnt how to find the unknowns by alternate angles, corresponding angles and interior angles

# data[].attributes.headline
corresponding, interior and alternative angles 

# data[].attributes.subject
corresponding, interior and alternative angles 

# data[].attributes.body
Which is a line crossing two line

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I learnt that the sum interior angles is 180°

# data[].attributes.subject
I learnt that the sum interior angles is 180°

# data[].attributes.headline
I learnt how to find unknowns by Parallel Lines & Transversals

# data[].attributes.subject
I learnt how to find unknowns by Parallel Lines & Transversals

# data[].attributes.headline
I learned that there are 3 types of angles when there is a transversal in parallel lines. The angles are alternate angles, corresponding angles and interior angles.

# data[].attributes.subject
I learned that there are 3 types of angles when there is a transversal in parallel lines. The angles are alternate angles, corresponding angles and interior angles.

# data[].attributes.headline
I learned about transversal  ,alternate angles ,corresponding angles and interior angles

# data[].attributes.subject
I learned about transversal  ,alternate angles ,corresponding angles and interior angles

# data[].attributes.headline
I learned about the 3 different angles in a transversal:

# data[].attributes.subject
I learned about the 3 different angles in a transversal:

# data[].attributes.body
Alternate angles
Corresponding angles
Interior angles

# data[].attributes.headline
how to quickly find which reason to use in a question.

# data[].attributes.subject
how to quickly find which reason to use in a question.

# data[].attributes.body
I learned about 3 different angles and how to quickly find out what is it

# data[].attributes.headline
Using angles created with parallel lines (corresponding, alternate and interior angles) to find the unknown angles.

# data[].attributes.subject
Using angles created with parallel lines (corresponding, alternate and interior angles) to find the unknown angles.