Geometry; 10/13

We worked through a practice quiz question to start the period before going over some more specifics of how to deal with parallel lines, transversals, and the angle pairs they create.  We then spent the majority of the period working on an activity dealing with drawing different figures from the vocab words we have been introducing.  Students worked in pairs and went through many of the vocab words from this chapter so far.


Assignment:  section 3-1;  page 76-77;  WE  #1-17 all, 23-28 all

Honors Geometry; 10/13

We went over our homework assignment today that dealt with angles within triangles and covered several questions.  We then discussed the lesson on the angles within polygons.  We talked about how to name polygons, how to determine interior angles, and how to determine exterior angles.  The students then got started on their assignment.


Assignment:  section 3-5;  p. 104-105;  WE  #1-17 all, 21, 22   (skip #7)

Geometry; 10/9

We took the chapter 2 test today in class.

Honors Geometry; 10/9

We took the chapter 3 quiz today over sections 3.1 to 3.3 .  

Geometry; 10/12

We went over our chapter 2 test today before getting started on the next lesson.  Any retakes need to be taken this week if students choose to do so.  We then started the next chapter which deals with parallel lines.  The lesson today focused on some definitions of parallel, skew, and intersecting lines, as well as how to identify different angle pairs when a transversal crosses two lines.  We demonstrated with several examples together before the students got started on their homework assignment.


Assignment:  section 3-1;  page 75;  CE  #1-19 all

Honors Geometry; 10/12

The students got back their quiz today and we went over it together.  We then continued on with our work in chapter three by taking a look at the angles in triangles and the way in which triangles are classified.  We went through the triangle sum theorem using a parallel line proof and demonstrated a few quick calculation problems dealing with triangles.


Assignment:  section 3-4;  page 97-99;  #1-31;  skip every third problem

Geometry; 10/8

We spent some time reviewing key concepts together from chapter 2 as well as going over a couple more proofs.  The students then had time to work on their test review sheets in preparation for tomorrow's test.

Assignment:  Chapter 2 review sheet


Chapter 2 Review Sheet Answers

Deductive Reasoning

1.  a. they are right angles              b.  vertical angles are supplementary
     c.  If vertical angles are supplementary, then they are right angles.
2.  90
3.  22
4.  53
5.  DFE
6.  angle bisector theorem
7.  midpoint theorem
8.  multiplication property of equality
9.  If 2 lines form congruent adjacent angles, then lines are perpendicular
10.  If exterior sides of 2 adjacent angles are perpendicular, then the angles are complementary
11.      1.  given
           2.  vertical angles congruent
           3.  transitive / substitution

Special Pairs of Angles

1.  54, 144                                                             2.  85, 175
3.  20, 110                                                             4.  61, 151
5.  40.8, 130.8                                                       6.  none, 12
7.  79, 169                                                             8.  90 - 2x,  180 - 2x
9.  angle VIE
10.  angle RIN
11.  angle RIV, RIE, or RIN
12.  48
13.  90
14.  40
15.  100
16.  60
17.  30
18.  50
19.  130
20.  120
21.  x = 44
22.  x = 23
23.  x = 24, 72, 18
24.  x = 29,  39, 51
25.  y = 26,  127, 53
26.  y = 35,  26,  154

Perpendicular Lines;  Planning a Proof

1.  90
2.  90
3.  35
4.  48
5.  If 2 lines are perpendicular, then they form congruent adjacent angles.
6.  def. of perpendicular lines
7.  def. of complementary angles
8.  def. of supplementary angles
9.  def. of perpendicular lines
10.  def. of right angle
11.  If two lines form congruent adjacent angles, then the lines are perpendicular
12.              1.  Given
                   2.  If the exterior sides of 2 adjacent angles are perpendicular, then the angles are comp.
     3.  angle 1 congruent to angle 4
                   4.  If two angles are complements of congruent angles, then the two angles are congruent.