GeometryTrig 2 Name 6 4 Review Worksheet Date

Geometry/Trig 2 Name: __________________ 6. 4 Review Worksheet Date: ______________ Classify each triangle by its sides and by its angles (Review) Use for #7 -12. 1. 2. A D 3. G 60° B 59° F C K 4. E H 5. O L M 100° 20° I 6. 42° 55° J 45° Q P 125° 75° 30° R N 7. In DABC which side is the longest? ____ the shortest? _____ 8. In DDEF which side is the longest? ____ Which two have the same length? _____ 9. In DGHI which side is the longest? ____ the shortest? _____ 10. In DJKL which side is the longest? ____ the shortest? _____ 11. In DMNO which side is the longest? ____ the shortest? _____ 12. In DPQR which side is the shortest? _____Which two have the same length? _____ In each triangle, name the smallest angle and the largest angle. A 8 D 10 I 10 15 8 B 9 C E 6 F 12 G 7 smallest largest H

Geometry/Trig 2 Name: _____________ Unit 4 Review Worksheet Date: _____________ Section 1: Use CPCTC to answer the following questions. Given: DABC @ DDEF 11. DLNM @ _______ 17. ÐLNM @ _______ 1. ÐA @ ____ 6. BC @ ____ 12. ÐL @ ___ 2. ÐE @ ____ 7. DBAC @ ____ 13. ÐP @ ___ 3. ÐC @ ____ 8. DBCA @ ____ 14. LM @ _____ 18. DMLN @ _______ P L 4. AB @ ____ 9. DDFE @ ____ 15. PQ @ _____ 5. FD @____ 10. DEFD @ ____ 16. DNLM @ _______ N Q M Section 2: Determine whether the triangles are congruent. If they are write the postulate that is SUPPOTTED WITH YOUR LABELS! If there is more than one way, label and list it. If they are not congruent, writ e NONE. 19. 20. D AC ^ DB 21. K C B 23. R J S is the midpoint of RT V N M 24. X W T S LM ll PN LP ll MN F KF ll HJ G is the midpoint of FH 22. Q P H G A L G F Y H Z A J FG ll JH; FG @ JH B DWYX @ D____ by_____ 25. 26. D A AD ll BC 27. V C D C T B S W VT bisects ÐSVW A B CB @ DA

Section 3: Solve each algebra connection problem. Answer all questions. 28. A 2 x - 9 3 x - 10 x = ______ C 29. 104° mÐA = ____ 15 x - 30 B mÐA = ______ x = ______ B mÐB = ________ mÐC = ______ Longest Side: ______ Shortest Side: ______ 30. B 102° A 48° 3 x + 42 10 x C Classify the triangle by its angles: ______ C Classify the triangle by its sides: ______ mÐA = ______ A Classify the triangle by its sides: ________ Classify the triangle by its angles: _______ Order the side lengths from longest to shortest: Longest: _____ Middle: _____ Shortest: ______ Section 5: State whether the dashed line is the median, altitude, angle bisector or perpendicular bisector, or none. 31. 34. 37. 32. 35. 38. 33. 36. 39.

Section 6: Find the unknown value for x. 40. 41. 42. Section 7: Proof Practice. 44. 43. Given: E is the midpoint of TP and MR Given: D is the midpoint of AB; CA @ CB Prove: Ð 1 @ Ð 2 Prove: DTEM @ DPER R T C 1 2 E M 45. Given: BA ^ YZ; BA bisects ÐYBZ A P Prove: DAYB @ DAZB D B Y A Z 1 3 2 4 B