
Intro to Triangles
Presentation
•
Mathematics
•
9th - 12th Grade
•
Hard
James Gonzalez
FREE Resource
5 Slides • 9 Questions
1
Introduction to Triangles 1 & 2
2
Open Ended
What do you know about triangles?
3
Classification of Triangles by ANGLES
Right Triangle - One 90° angle
Acute Triangle - Three Acute angles
Obtuse Triangle - One Obtuse angle
Equiangular - all 60° angles
4
Fill in the Blanks
What type of triangle is A?
Type answer...
5
Fill in the Blanks
What type of Triangle is C & F?
Type answer...
6
Fill in the Blanks
What types of triangle is B & E?
Type answer...
7
Fill in the Blanks
What type of triangle is D?
Type answer...
8
Classification of Triangles by SIDES
Isosceles Triangle - Two Congruent Sides
Scalene Triangle - No Congruent Sides
Equilateral Triangle - Three Congruent Sides
9
Fill in the Blanks
What type of triangle is the Pink Triangle
Type answer...
10
Fill in the Blanks
What type of Triangle is the Yellow triangle?
Type answer...
11
Fill in the Blanks
What type of triangle is the Green triangle?
Type answer...
12
Fill in the Blanks
What type of triangle is the Blue triangle?
Type answer...
13
Triangle Sum Theorem
The sum of the interior angles in a triangle is 180°
14
How do we use all this information about triangles to solve problems?
Introduction to Triangles 1 & 2
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