Download Section 1.4 Notebook.notebook

Section 1.4 Notebook.notebook
September 09, 2016
Please turn in your Amusement Park worksheet to the "Due Today" bin IF IT IS COMPLETED.
(Not due until Monday)
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Section 1.4 Notebook.notebook
September 09, 2016
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Section 1.4 Notebook.notebook
September 09, 2016
1.4 Measure and Classify Angles
angle: consists of TWO different rays with the same endpoint
sides: the rays
vertex: the endpoint
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Section 1.4 Notebook.notebook
September 09, 2016
Ex1 Name the three angles in the diagram.
A
C
B
D
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Section 1.4 Notebook.notebook
September 09, 2016
~An angle measuring between 0 and 90 degrees is called ______________
~An angle measuring 90 degrees is called ______________
~An angle measuring between 90 and 180 degrees is called ______________
~An angle measuring 180 degrees is called ___________
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Section 1.4 Notebook.notebook
September 09, 2016
What does each angle look like???
Acute Angle Right Angle
Obtuse Angle
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Section 1.4 Notebook.notebook
September 09, 2016
POSTULATE:
Angle Addition Postulate
If P is in the interior of RST,
then m RST = m ____ + m ____.
R
P
S
T
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Section 1.4 Notebook.notebook
September 09, 2016
Ex3 Use the Angle Addition Postulate.
Given that m GFJ = 155 , find m GFH and m HFJ.
H
J
G
F
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Section 1.4 Notebook.notebook
September 09, 2016
Ex4 Use the Angle Addition Postulate.
Given that VRS is a right angle, find m VRT and m TRS.
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Section 1.4 Notebook.notebook
September 09, 2016
Ex5 Use the Angle Addition Postulate.
Given that KLM is a straight angle, find m KLN and m NLM.
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Section 1.4 Notebook.notebook
September 09, 2016
An angle bisector is a ray that divides an angle into two angles that are congruent.
Ex6
In the diagram at the right, WY bisects XWZ, and m XWY = 29 .
Find the two angle measures not given.
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Section 1.4 Notebook.notebook
September 09, 2016
Homework:
1.4B #4­18, 23­24
AND Amusement Park worksheet due Monday
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