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WorksheetsStandard 10 & 11 Triangles and Angles
Total questions: 21
Worksheet time: 21mins
Name
Class
Date
1.
A triangle has angle measurements of 26°, 59°, and 95°. What kind of triangle is it?
a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
2.
A triangle has angle measurements of 54°, 52°, and 74°. What kind of triangle is it?
a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
3.
A triangle has angle measurements of 74°, 90°, and 16°. What kind of triangle is it?
a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
4.
What is the value of the missing angle?
a)
61
b)
50
c)
60
d)
69
5.
The Triangle Sum Theorem states that the if you add all angles in a triangle you will get the magic number ______.
a)
45°
b)
90°
c)
180°
d)
360°
6.
Does a triangle with these side lengths exist?
15, 12, 9
15, 12, 9
a)
Yes, only one
b)
No
c)
Yes, many
7.
Does a triangle with these side lengths exist?
20, 10, 9
20, 10, 9
a)
Yes, only one
b)
No
c)
Yes, many
8.
Does a triangle with these side lengths exist?
4, 6, 7
4, 6, 7
a)
Yes, only one
b)
No
c)
Yes, many triangles
9.
9. Which of these lengths CANNOT represent the sides of a triangle?
a)
32, 34, 60
b)
28, 30, 58
c)
13, 20, 27
d)
2, 4, 5
10.
What are complementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect.
11.
What are supplementary angles?
a)
Angles that add up to 180°
b)
Angles that add up to 90°
c)
Angles that are equal to each other
d)
Angles that are opposite of each other when lines intersect
12.
What are vertical angles?
a)
Angles that are adjacent to each other
b)
Angles that add up to 180°
c)
Angles that are opposite of each other when lines intersect
d)
Angles that add up to 90°
13.
What is the supplement angle to 42°?
a)
48°
b)
138°
c)
100°
d)
Not possible
14.
What is the complement angle to 12°?
a)
78°
b)
68°
c)
168°
d)
90°
15.
These are Complementary angles. Find x.
a)
15
b)
25
c)
75
d)
90
16.
If angle ∠ABD is 67°. What is ∠DBC?
a)
180°
b)
90°
c)
67°
d)
23°
17.
Which are pairs of vertical angles?
a)
∠COB & ∠COA
b)
∠AOD & ∠AOC
c)
∠COB & ∠AOD
d)
∠BOD & ∠AOD
18.
Which are pairs of adjacent angles?
a)
∠COB & ∠DOA
b)
∠AOD & ∠AOC
c)
∠COB & ∠AOD
d)
∠BOD & ∠AOC
19.
Name the relationship between a and b:
complementary, supplementary, vertical
complementary, supplementary, vertical
a)
Complementary
b)
Supplementary
c)
Vertical
20.
Tell whether the angles are complementary or supplementary. Then find the value of x.
a)
Complementary; x=25
b)
Complementary; x=5
c)
Supplementary; x=25
d)
Supplementary; x=5
21.
Solve for x
a)
6
b)
140
c)
20
d)
90
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