# data[].attributes.headline
The two triangles are relates because no matter where you put them on the slope, they simplify to the same fraction (rise/run)

# data[].attributes.subject
The two triangles are relates because no matter where you put them on the slope, they simplify to the same fraction (rise/run)

# data[].attributes.body
By the graph points on the line.

# data[].attributes.headline
because if you make it a fraction and simplify it is the same thing!

# data[].attributes.subject
because if you make it a fraction and simplify it is the same thing!

# data[].attributes.body
they all can be divided by 3

# data[].attributes.headline
they're the same once they're simplified 

# data[].attributes.subject
they're the same once they're simplified 

# data[].attributes.headline
By how and where the graph points are on the line.

# data[].attributes.subject
By how and where the graph points are on the line.

# data[].attributes.body
same

slope and size

# data[].attributes.body
Points C and D is three times bigger than points A and