Related Angles II

Press 'Show F Pattern'. What do you notice about the Corresponding Angles 'γ' and 'η'?

How many pairs of Corresponding Angles are seen on the screen?

 Press 'Show Z Pattern'. What do you notice about the Alternate Angles 'δ' and 'ε'?

Press 'Show C Pattern'. What do you notice about the Interior Angles'γ' and 'ε'?

How many pairs of Interior Angles are seen on the screen?