# data[].attributes.headline
complementary angles- angles that add up to 90 degrees

# data[].attributes.subject
complementary angles- angles that add up to 90 degrees

# data[].attributes.headline
collinear points- points that make a line

# data[].attributes.subject
collinear points- points that make a line

# data[].attributes.headline
vertical angles-two angles are vertical angles if their sides form two pairs of opposite rays 

# data[].attributes.subject
vertical angles-two angles are vertical angles if their sides form two pairs of opposite rays 

# data[].attributes.headline
supplementary angles- angles that add up to 180 degrees

# data[].attributes.subject
supplementary angles- angles that add up to 180 degrees

# data[].attributes.headline
circle- makes a nice and round 360 degrees

# data[].attributes.subject
circle- makes a nice and round 360 degrees

# data[].attributes.headline
triangle-its a triangle. Bonus: another set of parallel lines

# data[].attributes.subject
triangle-its a triangle. Bonus: another set of parallel lines

# data[].attributes.headline
Acute angle- an angle that is below 90 degrees

# data[].attributes.subject
Acute angle- an angle that is below 90 degrees

# data[].attributes.headline
line/ray-has one dimension. it is represented by a line with two arrowheads, extends forver in both directions

# data[].attributes.subject
line/ray-has one dimension. it is represented by a line with two arrowheads, extends forver in both directions

# data[].attributes.headline
coplanar points- points that lie on the same plane

# data[].attributes.subject
coplanar points- points that lie on the same plane

# data[].attributes.headline
midpoint-the point that divides a segment into two congruent segments

# data[].attributes.subject
midpoint-the point that divides a segment into two congruent segments

# data[].attributes.headline
parallel lines- lines that do not intersect and are coplanar (space bar)

# data[].attributes.subject
parallel lines- lines that do not intersect and are coplanar (space bar)

# data[].attributes.headline
Point-has no dimension, represented by a dot

# data[].attributes.subject
Point-has no dimension, represented by a dot