
12/9 Lesson Angles and Measures
Presentation
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
Standards-aligned
Bette Horsington
Used 4+ times
FREE Resource
7 Slides • 16 Questions
1
Angle Pairs and Measurements
Angles are measured in degrees
2
How to label an angle in a diagram
3
Match
Match the angle pair with its property
Vertical Angles are:
Supplementary angles have:
Complementary angles have:
congruent (equal)
a sum of 180
a sum of 90
congruent (equal)
a sum of 180
a sum of 90
4
Please take out your notes: MP -I2 - unknown angles
On the next 3 slides we will go over Example 1
You will need to find both the measure and
the type of angle pair.
5
Drag and Drop
6
Drag and Drop
7
Drag and Drop
8
Please take out your notes: MP -I2 - unknown angles
The next 3 slides will go over how to do Example 2
This example uses the property of vertical angles and supplementary angles.
9
Multiple Choice
What is the measure of ∠a
110
70
10
Multiple Choice
What is the measure of ∠b
110
70
11
Multiple Choice
What is the measure of ∠c
110
70
12
Please take out your notes: MP -I2 - unknown angles
The next 3 slides will go over how to do Example 3
13
Drag and Drop
14
Drag and Drop
15
Drag and Drop
16
To find the value of x:
1) combine like terms
2) get all constants to right side
3) divide by the coefficient
17
You can fill in the notes to remember
The next slides will be some practice questions
18
Multiple Choice
Find the missing angle.
43
47
57
67
19
Multiple Choice
20
Multiple Choice
21
Multiple Choice
22
Multiple Choice
23
Poll
How well do you understand the angle pairs?
I understand
I am getting it
I need more practice
I have no clue
Angle Pairs and Measurements
Angles are measured in degrees
Show answer
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