Click on the link below for the “Angles in a Triangle."
1. Triangle Sum Theorem:
2. How does "Show Parallel Lines" help when determining the sum of the interior angles of a triangle?
CCG 2.1.4: Triangle Sum Theorem (Desmos)
Updated on
CC Geometry eTools
General eTools 8
Chapter 1 7
- CCG 1.1.1: Quilt Pictures and PowerPoint (.pps & .doc)
- CCG 1.1.5: The Power of X Videos
- CCG 1.2.1: 1-47 3D Nets (CPM)
- CCG 1.2.2: Transformations with 1-59 & 1-60a, c (Desmos)
- CCG 1.2.6: 1-100 Spiral Student eTool (Desmos)
- CCG 1.3.1: 1-111 Venn Diagrams Shape A, B & C eTools (Desmos)
- CCG: 1.3.2 1-117 Student eTool (Desmos)
Chapter 2 7
Chapter 3 6
Chapter 4 8
- CCG 4.1.1: Leaning Tower of Pisa (Desmos) and Information Video
- CCG 4.1.3: 4-23 Student eTool (Desmos)
- CCG 4.1.5: History of the Statue of Liberty Video
- CCG 4.2.2: 4-64 Student eTool (CPM)
- CCG 4.2.3: 4-76 Student eTool (CPM)
- CCG 4.2.4: Random Number Generator (random.org)
- CCG 4.2.4: 4-94 Student eTool (CPM)
- CCG 4.2.5: 4-101, 4-102 & 4-103 Spinner (CPM)
Chapter 5 4
Chapter 6 4
Chapter 9 3
Chapter 10 0
Chapter 12 0
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