Unit 4

Congruent Triangles

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CLASSZONE Section Quizzes N.B. these quizzes loosely correlate to the sections in our text... you are responsible for the material we cover in class
CLASSZONE Test Practice Similar disclaimer as above.  The material in these tests is from a newer version of our text book, which does not cover the same sections in the same order, but comes close enough that these tests are worth your time to take and complete
Lesson/Objective Supplemental Lessons On-line Practice Homework
4-1  Congruent Figures
  • Identify the corresponding parts of congruent figures

4-2  Some Ways to Prove Triangles Congruent

  • Prove two triangles congruent by using the SSS, SAS, and ASA postulatesIdentify the corresponding parts of congruent figures

 

Congruent Figures
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SSS & SAS
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ASA
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hw #4-1 Due Wed Nov 11
1) Read pgs 117-18, 122-23
in class
2) pg 119 #1-20
3) pg 123 #1-11
for homework
4) pg 120 #1-23 ODD
5) pg 124 #1-25 ODD

Your GEOMETRY BIBLE should be complete through SAS, ASA, SSS... include defs of cgrt triangles and cgrt polygons

 

4-3  Using Congruent Triangles
  • Deduce information about segments and angles after proving two triangles are congruent
 

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hw #4-2 Due Fri Nov 13
1) Read pgs 127-128
2) pg 129 #1-6
3) pg 130 #1-15 ODD

GB should include def. and sketch of a line and a plane that are perpendicular 


4-4  The Isosceles Triangle Theorems
  • Apply the theorems and corollaries about isosceles triangles

 

 

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hw #4-3 Due Tues Nov 17
1) Read pgs 134-35
2) pg 136 #1-12

3) pg 132 Self Test #1-8 Collected Assignment!!
4) pg 137 #1-33 ODD

GB: Thm 4-1, 4-2 and corollaries

 

4-5  Other Methods of Proving Triangles Congruent  
  • Use the AAS Theorem to prove two triangles congruent
  • Use the HL Theorem to prove two right triangles congruent
  • Prove that two overlapping triangles are congruent

 

AAS Theorem
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HL Theorem
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  hw #4-4 Due Thurs Nov 19

1) Read pgs 140-41
2) pg 142 #1-13 (in class)
3) pg 143-144 #1-14

GB: Thm 4-3 & 4-4

UNIT 4 QUIZ on Sections 4-1 thru 4-3:  Thursday, Nov 19th

4-6  Using More Than One Pair of Congruent Triangles  
  • Prove two triangles congruent by first proving two other triangles congruent
 

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  hw #4-5 Due Mon Nov 23
1) Read pgs146-47
2) pg 148 (Written Exercises) #1-8
4-7  Medians, Altitudes, and Perpendicular Bisectors  
  • Apply the definitions of the median and the altitude of a triangle and the perpendicular bisector of a segment
  • State and apply the theorem about a point on the perpendicular bisector of a segment, and the converse
  • State and apply the theorem about a point on the bisector of an angle, and the converse
 
 

 

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  hw #4-6 Due Wed Nov 25

1) Read pgs 152-54
2) Page 155 #1-11
3) Page 156 #1-6, 7-27 ODD
UNIT TEST REVIEW BEST BIBLE CONTEST IS IN FULL SWING!! 20 Extra Credit points to the winner!!  Valuable 2nd and 3rd place prizes will also be awarded.  YOU COULD WIN A NEW CAR!! hw #4-7 Due Tues Dec 1

1) pg 159 Self-Test 3
2) pg 160-161 #1-20 (Skip #10 and #16)

UNIT 4 TEST:  Thursday, Dec 3rd