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WorksheetsTriangle Interior Sum Theorem
Total questions: 20
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
What is the measure of the missing angle?
a)
140
b)
130
c)
50
d)
90
2.
a)
47
b)
57
c)
53
d)
133
3.
Find the measure of each angle indicated.
a)
139°
b)
66°
c)
138°
d)
116°
4.
Solve for x.
a)
-12
b)
-8
c)
-10
d)
-5
5.
a)
WX
b)
XY
c)
YW
d)
None
6.
Order the sides of the triangle from least to greatest.
a)
B, C, A
b)
AC, CB, BA
c)
BA, AC, CB
d)
CB, AB, AC
7.
a)
RQ
b)
QS
c)
SR
d)
None
8.
A charter plane travels from Barrow, Alaska, to Fairbanks. From Fairbanks, it flies to Nome,
and then back to its starting point in Barrow.
Which of the three legs of the trip is
the longest?
and then back to its starting point in Barrow.
Which of the three legs of the trip is
the longest?
a)
Fairbanks to Nome
b)
Nome to Barrow
c)
Barrow to Fairbanks
d)
Anchorage to Fairbanks
9.
What is the smallest angle?
a)
J
b)
K
c)
L
10.
What is the largest angle?
a)
J
b)
K
c)
L
11.
What is the largest angle?
a)
K
b)
L
c)
M
12.
Which of the following could be angle measures for a triangle?
A 120°, 50°, 20°
B 100°, 200°, 60°
C 30°, 50°, 80°
D 40°, 50°, 90°
a)
A
b)
B
c)
C
d)
D
13.
A triangle's angles add up to...
a)
90 Degrees
b)
180 Degrees
c)
360 Degrees
d)
OVER 9000 Degrees
14.
Which Angle measurements does NOT create a Triangle?
a)
60,60,60
b)
90,45,45
c)
50,60,40
d)
50,100,30
15.
Find the missing angle.
a)
29°
b)
39°
c)
49°
d)
59°
16.
What type of angle is shown?
a)
acute
b)
obtuse
c)
right
d)
straight
17.
Find x.
a)
60 degrees
b)
90 degrees
c)
50 degrees
d)
180 degrees
18.
A triangle has one angle that measure 81° and one that measures 37°. What is the measure of the third angle?
a)
62°
b)
76°
c)
118°
d)
99°
19.
The measure of angle x is:
(Hint: the answer contains a decimal)
(a)
20.
A triangle has angle measurements of 75°, 75°, and 30°. What kind of triangle is it?
a)
equilateral
b)
isosceles
c)
scalene
d)
obtuse
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