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Name _______________________________ Period _________ Geometry A Chapter 3 Study Guide For questions 1 -4 use the figure to the right. Assume a || b 1. Name all the angles congruent to 2 2. Name all the angles congruent to 13 3. Name all the angles congruent to 4 4. Name all of the angles supplementary to 17 Define the following triangles. Draw a picture of the triangle. 5. Scalene6. Isosceles7. Equilateral8. Acute9. Right10. Obtuse11. Equiangular- For # 12- 15 please indicate how many sides do the following Polygons have: 12. Pentagon13. Hexagon14. Decagon15. Pentdecagon- 16. What is the exterior angle sum for any polygon? 17. What does it mean to be a regular pentagon? 18. A) What is the INTERIOR ANGLE SUM for a octagon? B) What is EACH INTERIOR ANGLE for that octagon? C) What is its EXTERIOR ANGLE SUM for that octagon? D) What is EACH EXTERIOR ANGLE for that octagon? 19. Fill in the chart below for regular polygons # of sides 6 10 measure of each exterior angle measure of each interior angle 4 162 20. Please find x and y: x = _________ y = _________ Please identify if the statement is TRUE of FALSE 21. ______ Vertical angles are congruent. 22. ______ Corresponding have the same measurement 23. ______ Alternate interior are not congruent 24. ______ Same-side interior angles have a sum of 180 degrees. 25. _______ Interior angle and Exterior angle have a sum of 180 degrees. 26. _______ (n-2)180 is the formula to use to find the interior angle sum of any polygon. 27. ________ All polygons have an exterior angle sum of 360 degrees. For questions # 28-31, find x. 28. Name the pair of angles: _______________ 29. Name the pair of angles: _______________ 30. Name the pair of angles: _______________ 31. Name the pair of angles: ________________