2A_AnglesAndTheirMeasuresSeptember 03, 2012
Geometry Lesson 2A Angles and Their Measures TLW name, classify, and identify the vertex and  sides of angles.
TLW apply the angle addition postulate and angle  terminology to solve problems.
MHS 4.1.06  (2008 AZ standards) Solve problems using angle and side length  relationships and attributes of polygons.
Bell Work
Given the following sequence:    a0  = ­1, a1  = 2, a2  = 5, a3  = 8, a4  = 11 …
Which formula generates the given sequence?
a) an= ­n + 3
b) an= 3n ­ 1
Bell Work
Given the sequence:    a0  = 3, a1  = 6, a2  = 9, a3  = 12,  …
Which formula generates the given sequence?
a) an= 6n + 3
b) an= 3n  +3
Bell Work
3. If M is the  midpoint of AB,  what are the  coordinates of B?
Bell Work
4. Given M (5, ­8) is the midpoint of QR.   The coordinates of Q is (­10,1).   What are the coordinates of R?
Bell Work
5. What is the exact  distance between  C and D?
2A_AnglesAndTheirMeasures
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Obtuse Angle definition example
Straight Angle definition example
Acute Angle definition example
Write three names for the angles, name the vertex and the sides.
names
September 03, 2012
Write three names for the angles, name the vertex and the sides.
names
classification:
Write three names for the angles, name the vertex and the sides.
names
Adjacent  
Apply the Angle Addition Postulate to find the measure of the unknown angle.
Apply the Angle Addition Postulate to find the measure of the unknown angle.
2A_AnglesAndTheirMeasures
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September 03, 2012
Apply the Angle Addition Postulate to find the measure of the unknown angle.
Apply the Angle Addition Postulate to find the measure of the unknown angle.
Classification Definition Example
Attachments
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