|9.||Create angle ζ using the points A’C’B’.|
|10.||Create angle η using the points C'1B'1A'1.|
|11.||Enhance your construction using the Style Bar.
Hint: Congruent angles should have the same color.|
|12.||Create dynamic text displaying the interior angles and their values (e.g. enter |
α = and select α from the list of objects on tab of the Advanced section).
|13.||Calculate the angle sum by entering |
sum = α + β + γ in the Algebra Input.
|14.||Insert the angle sum as a dynamic text: |
α + β + γ = and select sum from the list of objects on tab .
|15.||Match colors of corresponding angles and text using the Style Bar. |
|| Fix all texts that are not supposed to be moved by using the Style Bar.|