Quiz about Triangle Sum Theorem and Triangle Inequality Theorem with Angles

Question 1

The sum of the interior angles in a triangle is ...

Accepted Answer

180 degrees

Answer

360 degrees

Answer

90 degrees

Answer

540 degrees

Question 2

If two angles in a triangle are $$45\degree$$ and $$\ 75\degree$$ , what is the measure of the third angle?

Accepted Answer

$$60\degree$$

Answer

$$75\degree$$

Answer

$$90\degree$$

Answer

$$70\degree$$

Question 3

*Select all that apply*

Equilateral triangles ...

Accepted Answer

have three angles that are the same measure

Accepted Answer

have three side lengths that are the same measure

Accepted Answer

have only acute angles

Accepted Answer

have three angles that are each 60 degrees

Question 4

Isosceles triangles ...

Accepted Answer

have two side lengths that are congruent

Accepted Answer

have two angles that are congruent

Answer

have three different side lengths

Answer

always have a 90 degree angle

Question 5

The word "congruent" means ...

Accepted Answer

equal

Answer

obtuse

Answer

different

Answer

acute

Question 6

Scalene triangles ...

Accepted Answer

have three different side lengths

Accepted Answer

have three different angle mesures

Answer

have two side lengths that are congruent

Answer

always have one right angle

Question 7

$$This\ symbol\ \cong means\ ...\ $$

Accepted Answer

<html><head></head><body>congruent</body></html>

Answer

<html><head></head><body>acute</body></html>

Answer

<html><head></head><body>obtuse</body></html>

Answer

<html><head></head><body>right</body></html>

Question 8

Acute triangles have ...

Accepted Answer

have three angles that are less than 90 degrees

Accepted Answer

three angles that are acute

Answer

have one obtuse angle

Answer

one right angle

Question 9

A right triangle has ...

Accepted Answer

one right angle

Answer

three acute angles

Answer

two right angles

Answer

three obtuse angles

Question 10

How do you classify this triangle?

Accepted Answer

right

Answer

acute

Answer

obtuse

Answer

scalene

Question 11

What is the measure of angle a?

Accepted Answer

60

Answer

180

Answer

30

Answer

50

Question 12

What is the measure of the missing angle?

Accepted Answer

70

Answer

80

Answer

60

Answer

50

Question 13

The triangle inequality theorem states that the sum of any two sides must be ________________ the length of the third side.

Accepted Answer

greater than

Answer

less than

Answer

equal to

Answer

less than or equal to

Question 14

The triangle inequality theorem states that the _________ of any two sides must be greater than the length of the third side.

Accepted Answer

sum

Answer

quotient

Answer

difference

Answer

product

Question 15

Three line segments have measures of 12 cm, 7 cm, and 5 cm. Will the segments form a triangle?

Accepted Answer

No

Answer

Yes

Question 16

Three line segments have measures of 9 cm, 5 cm, and 6 cm. Will the segments form a triangle?

Accepted Answer

Yes

Answer

No

Question 17

A triangle has two angles that are 65 degrees and 50 degrees. What must the third angle be?

Accepted Answer

65

Answer

75

Answer

25

Answer

60

Question 18

The angles inside an equilateral triangle are all ...

Accepted Answer

60 degrees

Answer

20 degrees

Answer

50 degrees

Answer

45 degrees

Question 19

Is it possible to draw a triangle with the following angle measures: 80 degrees, 35 degrees, 55 degrees?

Accepted Answer

No

Answer

Yes

Question 20

Is it possible to draw a triangle with the following angle measures: 45 degrees, 120 degrees, and 15 degrees?

Accepted Answer

Yes

Answer

No

Triangle Sum Theorem and Triangle Inequality Theorem with Angles

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics