
Exploring Triangle Angle Theorems

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard
Standards-aligned

Aiden Montgomery
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Triangle Sum Theorem state?
The sum of the interior angles of a triangle is equal to 180 degrees.
The sum of the exterior angles of a triangle is equal to 360 degrees.
The sum of the exterior angles of a quadrilateral is equal to 720 degrees.
The sum of the interior angles of a quadrilateral is equal to 360 degrees.
Tags
CCSS.8.G.A.5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which postulate is used to prove the Triangle Sum Theorem?
Angle Bisector Postulate
Congruence Postulate
Perpendicular Postulate
Parallel Postulate
Tags
CCSS.8.G.A.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the proof of the Triangle Sum Theorem, what type of angles are formed when a transversal intersects parallel lines?
Alternate Interior Angles
Corresponding Angles
Supplementary Angles
Vertical Angles
Tags
CCSS.8.G.A.5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If angle J is represented by 3x, angle K by 2x + 40, and angle L by 60 - x, what is the value of x if the sum of these angles is 180 degrees?
40
30
20
10
Tags
CCSS.7.G.B.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the measure of angle J if x is found to be 20?
80 degrees
100 degrees
60 degrees
40 degrees
Tags
CCSS.7.G.B.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the Exterior Angle Theorem state?
An exterior angle of a triangle is equal to the sum of the two non-adjacent interior angles.
An exterior angle of a triangle is equal to the sum of the two adjacent interior angles.
An exterior angle of a triangle is equal to the difference of the two non-adjacent interior angles.
An exterior angle of a triangle is equal to the sum of all three interior angles.
Tags
CCSS.8.G.A.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the proof of the Exterior Angle Theorem, which angles are considered a linear pair?
Angle 2 and Angle 3
Angle 1 and Angle 4
Angle 1 and Angle 2
Angle 3 and Angle 4
Tags
CCSS.8.G.A.5
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