1. 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. A 2. D 3. G
60°
100°
20°
59°
45° E F H B C I 4. K 5. O 6. Q
42°
75° P
30°
55° J M
125° L N R
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 D I 8 10 10 15 8 12 C F G B 9 E 6 7 H
smallest
smallest
smallest
largest
largest
largest

2. Geometry/Trig 2 Name: __________________________
Unit 4 Review Worksheet Date: _________________________
Section 1: Use CPCTC to answer the following questions.
Given: DDEF
1. ____ 6. ____
2. ____ 7. ____
3. ____ 8. ____
4. ____ 9. ____
____
11. _______ 17. _______
12. ___ _______
13. ___
14. _____
15. _____
16. _______ M L N Q P
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.
21. L P D K
AC ^ DB H
LM ll PN
LP ll MN G A C F B
KF ll HJ
G is the midpoint of FH J N M
22. Q
24.
23. X G F H R T W Y S Z J V
FG ll JH; JH
S is the midpoint of RT A B
D____ by_____
25.
26.
27. D C V D C T A B
AD ll BC S W A B
VT bisects ÐSVW DA

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

4. 40. 41. 42. Section 7: Proof Practice.
Section 6: Find the unknown value for x.
40.
41.
42.
Section 7: Proof Practice.
Given: D is the midpoint of AB; CB
Prove: Ð2
43 . Given: E is the midpoint of TP and MR
Prove: DPER C M T E R P 1 2 A D B
45. Given: BA ^ YZ; BA bisects ÐYBZ Prove: DAZB Y 1 3 B A 2 4 Z