PLEASE HELP!!
ABCDE is a regular pentagon with wide lengths of 20 units.
1. draw segments AT and BT.
2. how many triangles congruent to triangle ATB could be drawn in the pentagon?
3. classify triangle ATB as scalene, isosceles, or right.
4. what is the measure of angle ATB?
5. what is the measure is angles TAB and TBA?