Free Printable Triangle Properties

1.

Does a triangle with these side lengths exist?
15, 12, 9

a)

Yes

b)

No

c)

I don't know.

2.

Can the sides of a triangle have lengths 3, 8, and 9?

a)

Yes

b)

No

3.

What is a possible third side to a triangle with side lengths of 13 and 4?

a)

9

b)

12

c)

8

d)

5

4.

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

5.

Where would the largest angle of a triangle be located?

a)

Across from the longest side.

b)

Across from the shortest side

c)

I need more information to get an answer.

6.

Where would the shortest side of a triangle be located?

a)

Across from the smallest angle in the triangle.

b)

Across from the largest angle in the triangle?

c)

Cannot tell.

7.

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

8.

Solve for x.

a)

7

b)

9

c)

-11

d)

-6

9.

List the lengths of the sides of the triangle in order from smallest to largest.

a)

JK < JL < KL

b)

JL < KL < JK

c)

JK < KL < JL

d)

KL < JL < JK

10.

List the lengths of the sides of the triangle in order from smallest to largest.

a)

BC, CD = BD

b)

BD = CD, BC

c)

CD, DB, DB

d)

BD, CD, BC

11.

List the lengths of the sides of the triangle in order from smallest to largest.

a)

CD, CB, BD

b)

BD, CB, CD

c)

CD, DB, CB

d)

CB, CD, DB

12.

List the lengths of the sides of the triangle in order from smallest to largest.

a)

KL, JL, JK

b)

KL, JK, JL

c)

JK, JL, KL

d)

LJ, JK, KL

13.

List the lengths of the sides of the triangle in order from smallest to largest.

a)

CD, DE, CE

b)

CD, EC, DE

c)

CE, DE, CD

d)

DE, CD, CE

14.

List the angles of the triangle in order from smallest to largest.

a)

$\angle L,\ \angle N,\ \angle M$

b)

$\angle L,\ \angle M,\ \angle N$

c)

$\angle M\ ,\ \angle L,\ \angle N$

d)

$\angle N,\ \angle L,\ \angle M$

15.

List the angles of the triangle in order from smallest to largest.

a)

$\angle V,\ \angle U\ \&\ \angle W$

b)

$\angle U,\ \angle W,\ \angle V$

c)

$\angle U\ ,\ \angle V,\ \angle W$

d)

$\angle W,\ \angle V,\ \angle U$

16.

List the angles of the triangle in order from smallest to largest.

a)

$\angle F,\ \angle G,\ \ \angle E$

b)

$\angle E,\ \angle G,\ \angle F$

c)

$\angle G,\ \angle E,\ \angle F$

d)

$\angle F,\ \angle E,\ \angle G$

17.

Find the measure of the missing angle.

a)

47

b)

57

c)

53

d)

133

18.

Find the measure of the missing angle.

a)

145

b)

55

c)

35

d)

45

19.

Find the measure of the missing angle.

a)

139°

b)

66°

c)

138°

d)

116°

20.

Find the measure of the missing angle.

a)

90^o

b)

10⁰

c)

130^o

d)

50^o

21.

Solve for x.

a)

16

b)

11

c)

50

d)

6

22.

Solve for x.

a)

-12

b)

-8

c)

-10

d)

-5

Triangle Properties

Total questions: 22

Worksheet time: 42mins

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