WorksheetsTriangle Properties
Total questions: 46
Worksheet time: 2hrs 32mins
Name
Class
Date
1.
.
.
.
.
What is the name of this kind of triangle?
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Isosceles
c)
Scalene
d)
Equilateral
2.
.
.
.
.
What is the name of this kind of triangle?
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Scalene
c)
Isosceles
d)
Equilateral
3.
What kind of triangle is this?
a)
Acute
b)
Super
c)
Right
d)
Obtuse
4.
Do the following side lengths form a triangle?
2 inches, 2 inches, 4 inches
2 inches, 2 inches, 4 inches
a)
Yes
b)
No
5.
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
6.
Which of the following does not represent the lengths of the sides of a triangle?
a)
2 cm, 6 cm, 7 cm
b)
5 cm, 2 cm, 5 cm
c)
5 cm, 5 cm, 8 cm
d)
3 cm, 10 cm, 15 cm
7.
Which type of angle is this?
a)
Acute
b)
Right
c)
Obtuse
d)
Straight
8.
Which type of angle is this?
a)
Acute
b)
Right
c)
Obtuse
d)
Straight
9.
What type of angle is this?
a)
Acute
b)
Right
c)
Obtuse
d)
Straight
10.
Look at the sides and angles of this triangle. Which type of triangle is pictured?
a)
Equilateral Triangle
b)
Right Isosceles Triangle
c)
Obtuse Scalene Triangle
d)
Obtuse Equilateral Triangle
11.
Solve for x
a)
28
b)
12
c)
10
d)
2
12.
Find the measure of <A
a)
25
b)
65
c)
90
d)
23
13.
Find the measure of the indicated angle.
a)
95
b)
85
c)
35
d)
45
14.
What is the " Triangle Ineqality Theorem"?
a)
The sum of the 2 Sides is > than the 3rd
b)
The lengths of a triangles sides are all the same
c)
An obtuse triangle
d)
Something that you made up
15.
Name the largest angle in this triangle.
a)
∠D
b)
∠E
c)
∠F
16.
Name the smallest angle in this triangle.
a)
∠A
b)
∠B
c)
∠C
17.
Two sides of a triangle have side lengths of 17 meters and 12 meters. What is the range of possible lengths for the third side?
a)
12 < x < 17
b)
12 < x < 29
c)
5 < x < 17
d)
5 < x < 29
18.
Find the value of x (hint: exterior angle theorem)
a)
A
b)
B
c)
C
d)
D
19.
What is the range of values of x for a triangle's third side given side measures of 8 and 15?
a)
between 8 and 15
b)
between 7 and 23
c)
less than 7, greater than 23
20.
What is the range of values of x for a triangle's third side given side measures of 8 and 15?
a)
between 8 and 15
b)
between 7 and 23
c)
less than 7, greater than 23
21.
What is the m∠2?
a)
37.5
b)
133
c)
90
d)
180
22.
The legs of a right triangle are represented by a and b, and the hypotenuse of the right triangle is represented by c. Which equation represents the Pythagorean Theorem?
a)
a2 + b2 = c2
b)
a2 + c2 = b2
c)
a + b = c
23.
The Pythagorean Theorem ONLY works on which triangle?
a)
obtuse
b)
scalene
c)
isosceles
d)
right
24.
a)
A
b)
B
c)
C
d)
D
25.
a)
A
b)
B
c)
C
d)
D
26.
a)
A
b)
B
c)
C
d)
D
27.
a)
A
b)
B
c)
C
d)
D
28.
a)
A
b)
B
c)
C
d)
D
29.
a)
A
b)
B
c)
C
d)
D
30.
a)
A
b)
B
c)
C
d)
D
31.
a)
37
b)
30
c)
14
d)
17.5
32.
a)
21
b)
25
c)
32
d)
40
33.
a)
6
b)
12
c)
18
d)
4
34.
a)
x+2.5
b)
2x+5
c)
2x+10
d)
8x+20
35.
a)
1
b)
2
c)
3
d)
4
36.
Name the parallel segment.
a)
JH
b)
PN
c)
MP
d)
MN
37.
Find the missing length.
a)
9
b)
18
c)
4.5
d)
16
38.
Find the missing length.
a)
x = 3
b)
x = 4
c)
x = 7
d)
x = 5
39.
TS is a midsegment of triangle GHI. Solve for the value of x.
a)
4
b)
6
c)
8
d)
10
40.
Find BC.
a)
BC = 4
b)
BC = 16
c)
BC = 12
d)
BC = 24
41.
Find AC.
a)
AC = 5
b)
AC = 3
c)
AC = 27
d)
AC = 10
42.
Find BC.
a)
BC = 14
b)
BC = 1
c)
BC = 21
d)
BC = 7
43.
Find the measure of angle CAD.
a)
b)
c)
d)
44.
Find BD.
a)
BD = 20
b)
BD = 2
c)
BD = 4
d)
BD = 10
45.
Solve for x.
a)
5
b)
2
c)
4
d)
1
46.
Find the length of AD
a)
2
b)
4
c)
6
d)
8
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