nluz.ebsb-media.de › worksheet-triangle-sum-andWorksheet triangle sum and exterior angle theorem find the ... 4.1 Worksheet Triangle Sum and Exterior Angle Theorem Answer Key NO WORK, NO CREDIT! 1. 75 2. 63 3. 20 4. 55 5. 23 6. 17 7. 85 8. 30 9. 29 10. 147 11. 60 12. 27 13. 50 14. 130 15. 112 16.. Classifying Triangles by Angles Triangle Sum Theorem Exterior Angle Theorem Pythagorean Theorem Angle and Sides Relationships Triangle Inequality Theorem.