Please show all work and be neat so I can use this to study

Use the figure for 1-2. For 6-7, use the figure. 18 217 3 16 15 1. Name all angles congruent to 41. 6. What is the sum of the interior angles of this polygon? 7. Is it possible to determine the measure of each angle in the figure? Explain why or 2. Name all angles supplementary to 23. why not. Use the figure for 3-5. For 8-9, use the figure. F G 32 /620 8. If m_1=53, what is m_3? 13 9. Derrick states that ADEF is an isosceles triangle. Is Derrick correct? Explain. 3. What is m_1? 4. What is m/2? 5. What is m_3