What is the sum of the interior angles of a triangle?
Interior and Exterior Angles of Triangles

Flashcard
•
Mathematics
•
7th - 10th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
The sum of the interior angles of a triangle is always 180 degrees.
2.
FLASHCARD QUESTION
Front
If one angle of a triangle is 90 degrees, what type of triangle is it?
Back
It is a right triangle.
3.
FLASHCARD QUESTION
Front
What is an exterior angle of a triangle?
Back
An exterior angle is formed by one side of the triangle and the extension of an adjacent side.
4.
FLASHCARD QUESTION
Front
How do you calculate the measure of an exterior angle?
Back
The measure of an exterior angle is equal to the sum of the measures of the two non-adjacent interior angles.
5.
FLASHCARD QUESTION
Front
If two angles of a triangle are 40 degrees and 60 degrees, what is the measure of the third angle?
Back
The third angle measures 80 degrees (180 - 40 - 60 = 80).
6.
FLASHCARD QUESTION
Front
What is the relationship between interior and exterior angles at a vertex of a triangle?
Back
The interior angle and the exterior angle at a vertex are supplementary, meaning they add up to 180 degrees.
7.
FLASHCARD QUESTION
Front
What is the measure of an angle if it is complementary to a 33-degree angle?
Back
The measure of the angle is 57 degrees (90 - 33 = 57).
Create a free account and access millions of resources
Similar Resources on Quizizz
15 questions
Find the Missing Angle (Triangles)

Flashcard
•
7th - 10th Grade
15 questions
Interior and Exterior Angles of a Triangle

Flashcard
•
7th - 10th Grade
15 questions
Angles, Transversals, and Triangles

Flashcard
•
7th - 10th Grade
15 questions
Unique Triangles

Flashcard
•
7th - 10th Grade
15 questions
Introduction to Classifying Triangles

Flashcard
•
7th - 10th Grade
15 questions
Triangle classification

Flashcard
•
7th - 10th Grade
15 questions
Angle Relationships

Flashcard
•
7th - 10th Grade
15 questions
Angle Relationships

Flashcard
•
7th - 10th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
25 questions
SS Combined Advisory Quiz

Quiz
•
6th - 8th Grade
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
40 questions
SOL: ILE DNA Tech, Gen, Evol 2025

Quiz
•
9th - 12th Grade
20 questions
NC Universities (R2H)

Quiz
•
9th - 12th Grade
15 questions
June Review Quiz

Quiz
•
Professional Development
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade
Discover more resources for Mathematics
40 questions
Week 4 Student In Class Practice Set

Quiz
•
9th - 12th Grade
20 questions
Congruent and Similar Triangles

Quiz
•
8th Grade
25 questions
Triangle Inequalities

Quiz
•
10th - 12th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
10 questions
Exponential Growth and Decay Word Problems

Quiz
•
9th Grade
45 questions
Week 3.5 Review: Set 1

Quiz
•
9th - 12th Grade
36 questions
SEA 7th Grade Week 3 Review FINAL 2025

Quiz
•
7th Grade
20 questions
Multiplying and Dividing Integers

Quiz
•
7th Grade