# Interior Angles

- Author:
- MrCarmack

- Topic:
- Angles

Which line above is the "transversal line"?

Which angle is Alternate Interior with ?

Which angle is Alternate Interior with ?

Which definition best describes Alternate Interior Angles?

Which transformation best describes Alternate Interior Angles?

Looking at your graph above, finish this conjecture: "If a transversal crosses two parallel lines, then Alternate Interior Angles are always..."

If Angle DFG and Angle BHG are Same Side Interior Angles, what other pair of angles could be considered Same Side Interior?

Add up the measure of the Same Side Interior Angles. What do you notice?

Which definition best describes Same Side Interior Angles?

Finish this conjecture: "If a transversal crosses two parallel lines, then Same Side Interior Angles are always..."

## Assume Line BD and Line EG are parallel.

Which pair of angles listed below are Alternate Interior?

Which pair of angles listed below are Same Side Interior?

What is the measure of the green angle pictured above?

What is the measure of the pink angle pictured above?

Which Geometry word describes angles that are the same size?

Which Geometry word describes angles that add up to 180 degrees?

## Assume Lines BD and EG are parallel.

In the diagram above, if Angle 5 is 100 degrees, then what is the measure of Angle 4?