1. Geometry/Trig 2Name: ___________________________________ 6.4 Review WorksheetDate: ___________________________ 1. 3. 6.5. 7. In  ABC which side is the longest? ________ the shortest? _________ 8. In  DEF which side is the longest? ____ Which two have the same length? __________ 9. In  GHI which side is the longest? ________ the shortest? _________ 10. In  JKL which side is the longest? ________ the shortest? _________ 11. In  MNO which side is the longest? ________ the shortest? _________ 12. In  PQR which side is the shortest? _____Which two have the same length? _________ B F J O N M 42  75  In each triangle, name the smallest angle and the largest angle. smallest largest 8 6 10 F E D 15 12 7 H I GC B A 810 9 C A E D 45  2. 4. H I G L K 125  55  59  60  Classify each triangle by its sides and by its angles (Review) Use for #7-12. 100  20  30  P R Q

2. Geometry/Trig 2Name: __________________________ Unit 4 Review WorksheetDate: _________________________ Given:  ABC   DEF 1.  A  ____ 6. BC  ____ 2.  E  ____ 7.  BAC  ____ 3.  C  ____ 8.  BCA  ____ 4. AB  ____9.  DFE  ____ 5. FD  ____10.  EFD  ____ M L N Q P 11.  LNM  _______17.  LNM   12.  L   18.  MLN  _______ 13.  P   14. LM   15. PQ   16.  NLM  _______ Section 1: Use CPCTC to answer the following questions. 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. A B D CF K G J H LP N M AC  DB KF ll HJ G is the midpoint of FH LM ll PN LP ll MN F G J BA Z Y W X Q R S V T S is the midpoint of RT FG ll JH; FG  JH 19.20. 21. 22. 23. 24. A DC B W T S V VT bisects  SVW AD ll BC A B CB  DA H C D 25. 26.27.  WYX   ____ by_____

3. A C B Longest Side: ______ Shortest Side: ______ x = ______ m  A = ______ m  C = ______ 104° 2x - 9 3x - 10 Section 3: Solve each algebra connection problem. Answer all questions. 28. A C B 102°48° m  A = ____________ Classify the triangle by its sides: _______________ Classify the triangle by its angles: ______________ Order the side lengths from longest to shortest: Longest: _____ Middle: _____ Shortest: ______ Classify the triangle by its angles:___________ Classify the triangle by its sides:____________ AC B 10x 15x - 30 3x + 42 x = ___________ m  A = ________ m  B = ________ m  C = __________ 29. 30. Section 5: State whether the dashed line is the median, altitude, angle bisector or perpendicular bisector, or none. 36. 37.39. 38. 35. 34. 31. 32. 33.

4. Section 6: Find the unknown value for x. 40.41.42. Section 7: Proof Practice. 43. Given: E is the midpoint of TP and MR Prove:  TEM   PER M T E R P 44. Given: D is the midpoint of AB; CA  CB Prove:  1   2 A D B C 1 2 45. Given: BA  YZ; BA bisects  YBZ Prove:  AYB   AZB Y A Z B 3 4 2 1