module 8.2 lesson 14
TRANSCRIPT
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
1
May 19, 2016
Module 8.2 Lesson 14
More on Angles of a Triangle
HWPrepare for tomorrow's
Module 8.2 Exam
Do Now:Go over the review packet
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
2
May 19, 2016
Homework p108 #15-18
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
3
May 19, 2016
Homework p108 #15-18
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
4
May 19, 2016
What is an exterior angle in a triangle?
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
5
May 19, 2016
Let's Explore.........
<4 and <1 are a linear pair so are supplementary<1 + <4 = 180
Interior angles of a triangle = 180<1 + <2 + <3 = 180
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
6
May 19, 2016
Exterior Angle TheoremA measure of an exterior angle of a triangle is equal to the sum of the measures of the two
non-adjacent interior angles
Interior
Interior Exterior
Interior + Interior =Exterior
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
7
May 19, 2016
Interior Angle:___________
Exterior Angle: __________
Identify which angle is an interior or an exterior angle.
** How many degrees are in a triangle?
** angle x and y form what kind of angle?
_________________________________
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
8
May 19, 2016
1000
550
450x
The exterior angle of a triangle is CONGRUENT to the SUM of the two opposite interior angles.
RULE:
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
9
May 19, 2016
Page 111
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
10
May 19, 2016
p119
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
11
May 19, 2016
p119
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
12
May 19, 2016
p119
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
13
May 19, 2016
p119
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
14
May 19, 2016
p119
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
15
May 19, 2016
p119
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
16
May 19, 2016
p120
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
17
May 19, 2016
p120
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
18
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
19
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
20
May 19, 2016
The Appointment Game!
1 o'clock: #6-10
2 o'clock: #11-14
3 o'clock: #15-18
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
21
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
22
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
23
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
24
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
25
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
26
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
27
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
28
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
29
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
30
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
31
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
32
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
33
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
34
May 19, 2016
Module 8.2 Lesson 14 More on the Angles of a Triangle.notebook
35
May 19, 2016