Properties of Triangles

Learning tasks

Types of Triangles
1) Classifying Triangles by Side Lengths	Ex 1 Ex 2 Ex 3 Ex 4 Ex 5 Ex 6 Ex 7 Ex 8
2) Constructing Triangles with a Ruler and Compass	Ex 9 Ex 10 Ex 11 Ex 12
Angles
3) Finding an Unknown Angle	Ex 13 Ex 14 Ex 15 Ex 16 Ex 17 Ex 18 Ex 19 Ex 20 Ex 21
4) Finding Angles in Isosceles Triangles	Ex 22 Ex 23 Ex 24 Ex 25 Ex 26
5) Classifying Angles	Ex 27 Ex 28 Ex 29 Ex 30
6) Evaluating Angle Properties	Ex 31 Ex 32 Ex 33
7) Deducting Angles in Triangle Configurations	Ex 34 Ex 35 Ex 36 Ex 37
Triangle Inequality Theorem
8) Writing Inequalities	Ex 38 Ex 39 Ex 40 Ex 41
9) Determining Triangle Existence	Ex 42 Ex 43 Ex 44 Ex 45 Ex 46
10) Determining Triangle Existence	Ex 47 Ex 48 Ex 49 Ex 50
11) Exploring Triangle Existence	Ex 51 Ex 52 Ex 53

Lesson Summary
Text book

Exercises Correction
Types of Triangles
    1)  Classifying Triangles by Side Lengths Ex 1 Ex 2 Ex 3 Ex 4 Ex 5 Ex 6 Ex 7 Ex 8
    2)  Constructing Triangles with a Ruler and Compass Ex 9 Ex 10 Ex 11 Ex 12
Angles
    3)  Finding an Unknown Angle Ex 13 Ex 14 Ex 15 Ex 16 Ex 17 Ex 18 Ex 19 Ex 20 Ex 21
    4)  Finding Angles in Isosceles Triangles Ex 22 Ex 23 Ex 24 Ex 25 Ex 26
    5)  Classifying Angles Ex 27 Ex 28 Ex 29 Ex 30
    6)  Evaluating Angle Properties Ex 31 Ex 32 Ex 33
    7)  Deducting Angles in Triangle Configurations Ex 34 Ex 35 Ex 36 Ex 37
Triangle Inequality Theorem
    8)  Writing Inequalities Ex 38 Ex 39 Ex 40 Ex 41
    9)  Determining Triangle Existence Ex 42 Ex 43 Ex 44 Ex 45 Ex 46
    10)  Determining Triangle Existence Ex 47 Ex 48 Ex 49 Ex 50
    11)  Exploring Triangle Existence Ex 51 Ex 52 Ex 53