What is the main focus of the next two lessons in Unit 3?

Exploring the Interior Angle Triangle Sum Theorem

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

Liam Anderson
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Learning about polygons
Learning about different kinds of angle relationships
Learning about quadrilaterals
Learning about circles
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the sum of the interior angles of a triangle?
360 degrees
90 degrees
180 degrees
270 degrees
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If angle A is 50 degrees and angle B is 60 degrees, what is the measure of angle C in a triangle?
70 degrees
80 degrees
90 degrees
100 degrees
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the easy level problem, if angle B is 85 degrees and angle C is 50 degrees, what is the value of angle A?
60 degrees
50 degrees
55 degrees
45 degrees
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the medium level problem, if angle A is 5x + 4, angle B is 48 degrees, and angle C is 83 degrees, what is the value of x?
10
7
8
9
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the hard level problem, if angle A is 6x + 10, angle B is x + 2, and angle C is x, what is the value of x?
19
22
20
21
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the measure of angle A if x = 10 and angle A is 5x + 5?
65 degrees
50 degrees
55 degrees
60 degrees
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