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Unit 5 Test Review Answers. Isosceles Scalene Equilateral Acute/equiangular 5. right 6. obtuse equilateral scalene isosceles 7. acute 8. right 9. obtuse isosceles isosceles scalene x + 30 = 2x – 12 11. 3x+40+5x+20=180
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Unit 5 Test Review Answers • Isosceles • Scalene • Equilateral • Acute/equiangular 5. right 6. obtuse • equilateral scalene isosceles • 7. acute 8. right 9. obtuse • isosceles isosceles scalene • x + 30 = 2x – 12 11. 3x+40+5x+20=180 • x = 42 x = 15 • 12. 13.
a. SSS b. HL C. SAS D. NO • 1. 1. Given • 2. 2. Vertical ‘s are congruent • 3. 3. SAS 16. 3 4 • Alter. int. ’s AB // CD given AE DE ABE DCE given • ASA 12 • Vertical ’s
transitive • reflexive • symmetric • substitution • 30 units • 54units • // ____ , // ____, // _____ • LQ=12,PQ=24,MN=12 • 18 • 20
1. 1 and 2 are right ’s 1. given 28. 2. 2. given 3. 3. reflexive 4. 4. HL 5. Q S 5. CPCTC • a) Assume does not bisect CAD • b) Assume is not isosceles 30. 1. 1. given 2. Assume 2. Assumption leading to contradiction 3. 3. Corresponding ’s are 4. l is not parallel to m 4. Contradiction of 1 and 3
third side • between 5 and 25 • larger • smallest • c and d • the hypotenuse • largest C; smallest A • 20 • 65 • 30 • 60 • 25 and • 40 and
x > 15 • 2x < x + 10 • x < 10 • circumcenter • orthocenter • centroid • incenter • circumcenter • centroid • incenter • incenter • circumcenter • centroid and incenter