Name: 
 

3-1 Triangles


Multiple Choice
Identify the choice that best completes the statement or answers the question.
 
 
For the following question(s), choose the best answer using the diagram below.
nar001-1.jpg
 

 1. 
In mc001-1.jpgABC, mc001-2.jpg is a(n)
A
altitude
B
angle bisector
C
median
D
perpendicular bisector
 

 2. 
Identify an altitude of mc002-1.jpgABC.
A
mc002-2.jpg
B
mc002-3.jpg
C
mc002-4.jpg
D
mc002-5.jpg
 

 3. 
In mc003-1.jpgABC, if mmc003-2.jpgCBF = 22°, mmc003-3.jpgDAB = 30°, and mc003-4.jpg is an angle bisector, find mmc003-5.jpgADB.
A
44°
B
52°
C
106°
D
128°
 

 4. 
A scalene triangle has
A
3 congruent sides
B
2 congruent sides
C
no congruent sides
D
2 equal sides
 

 5. 
A median drawn to a side of a triangle is
A
a line
B
a line segment
C
a ray
D
a measure
 

 6. 
If two lines are perpendicular, they form at the point of intersection
A
acute angles
B
right angles
C
obtuse angles
D
straight angles
 

 7. 
In mc007-1.jpgRST, mmc007-2.jpgR = x + 6, mmc007-3.jpgS = 2x + 4, and mmc007-4.jpgT = x - 6.  Find mmc007-5.jpgS.
A
44°
B
50°
C
38°
D
92°
 

 8. 
Find the mmc008-1.jpgA.
mc008-2.jpg
A
58°
B
80°
C
42°
D
100°
 

 9. 
Find the mmc009-1.jpgA.
mc009-2.jpg
A
31°
B
62°
C
16°
D
24.mc009-3.jpg°
 

 10. 
Find the mmc010-1.jpg.
mc010-2.jpg
A
20°
B
30°
C
50°
D
100°
 



 
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