MCRBG-0403-PA.qxd
4-19-2001
12:52 PM
Page 46
LESSON
NAME _________________________________________________________ DATE ___________
4.3
Practice B
For use with pages 212–219
For each triangle, name the included angle between the pair of sides given.
1. MAT: MT and TA
2. CDA: CA and DC
3. PSC: CS and PS
4. WDG: DG and GW
Decide whether enough information is given to prove that the
triangles are congruent. If there is enough information, state the
congruence postulate you would use.
5. XYW, ZWY
6. MAE, TAE
X
Y
7. KHJ, KLJ
H
M
A
W
J
E
K
Z
T
8. DKA, TKS
D
L
9. JKM, NKL
T
10. TRA, GRA
N
R
T
M
A
A
S
K
J
K
L
Complete the proof by supplying the statement or reason.
11. Given: O is the midpoint of MQ.
Lesson 4.3
O is the midpoint of NP.
Prove: MON QOP
M
P
O
N
Q
12. Write a paragraph proof.
Reasons
1. O is the midpoint of MQ.
1.
?
2.
?
2. Definition of midpoint
3.
?
3. Given
4.
?
4. Definition of midpoint
5. MON QOP
5.
?
6. MON QOP
6.
?
13. Write a two-column proof.
Given: AB CD, BC DA
Given: AD CB, AD CB
Prove: ABC CDA
Prove: ABD CDB
B
A
46
Statements
C
D
Geometry
Chapter 4 Resource Book
A
B
D
C
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