WorksheetsTriangle Inequality
Total questions: 22
Worksheet time: 1hrs 1mins
Name
Class
Date
1.
Does a triangle with these side lengths exist?
15, 12, 9
a)
Yes
b)
No
2.
Can the sides of a triangle have lengths 3, 8, and 9?
a)
Yes
b)
No
3.
Can the sides of a triangle have lengths 3, 4, and 9?
a)
Yes
b)
No
4.
What is a possible third side to a triangle with side lengths of 13 and 4?
a)
9
b)
12
c)
8
d)
5
5.
What is a possible third side to a triangle with side lengths of 5 and 5?
a)
9
b)
10
c)
11
d)
12
6.
Which of the following would NOT work to make a triangle with the two side lengths of 2 and 6?
a)
6
b)
7
c)
5
d)
4
7.
Name the largest angle in this triangle.
a)
∠D
b)
∠E
c)
∠F
8.
Name the smallest angle in this triangle.
a)
∠A
b)
∠B
c)
∠C
9.
The smallest angle would be located where in a triangle?
a)
Across from the smallest side.
b)
Across from the largest side
c)
Cannot tell
10.
The longest side of a triangle would be located where on a triangle?
a)
Across from the smallest angle
b)
Across from the largest angle
c)
Cannot tell.
d)
Adjacent to the smallest side.
11.
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
12.
Identify the shortest side measure.
a)
QP
b)
QM
c)
MP
13.
.
.
.
.
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
14.
.
.
.
.
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
15.
What kind of triangle is this?
a)
Acute
b)
Super
c)
Right
d)
Obtuse
16.
.
.
What kind of triangle is this?
.
What kind of triangle is this?
a)
Acute
b)
Right
c)
Obtuse
d)
Robot
17.
.
.
.
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
18.
What kind of triangle is this?
a)
Acute
b)
Right
c)
Sparkly
d)
Obtuse
19.
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
20.
A triangle has angle measurements of 163°, 2°, and 15°. What kind of triangle is it?
a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
21.
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
22.
A triangle has side lengths of 19 centimetres, 19 centimetres, and 20 centimetres. Is this triangle equilateral?
a)
equilateral triangle
b)
isosceles triangle
c)
scalene triangle
d)
none of the above
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