Download Practice 4-6

NAME
4-6
DATE
PERIOD
Practice
Isosceles and Equilateral Triangles
Refer to the figure at the right.
R
−−− −−
1. If RV RT, name two congruent angles.
S
V
T
U
−− −−
2. If RS SV, name two congruent angles.
3. If ∠SRT ∠STR, name two congruent segments.
4. If ∠STV ∠SVT, name two congruent segments.
-
Find each measure.
5. m∠KML
6. m∠HMG
.
,
7. m∠GHM
50°
+
8. If m∠HJM = 145, find m∠MHJ.
9. If m∠G = 67, find m∠GHM.
(
)
E
2
−−− −−−
Given: DE BC
∠1 ∠2
−− −−
Prove: AB AC
3
C
A
1
D
4
B
11. SPORTS A pennant for the sports teams at Lincoln High
School is in the shape of an isosceles triangle. If the measure
of the vertex angle is 18, find the measure of each base angle.
Chapter 4
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
10. PROOF Write a two-column proof.
54
ks
aw
nH
col
Lin
Glencoe Geometry