2. Classifying Triangles 9 th Grade Geometry Ms. Garner Click to Learn!

3.  The POINTS of a triangle are going to help us to classify and learn the types and angles of triangles! What’s the POINT? Click for More!

4.  There can be 3, 2, or no equal sides!  Equilateral Triangle  Isosceles Triangle  Scalene Triangle  What type of angle?  Acute Triangle  Right Triangle  Obtuse Triangle Types of Triangles! Click for Examples!

5.  THREE equal sides  THREE equal angles  ALWAYS 60 O Equilateral Triangle

6.  TWO equal sides  TWO equal angles Isosceles Triangle

7.  NO equal sides  NO equal angles Scalene Triangle

8.  All angles are less than 90 o Acute Triangle

9.  Has a RIGHT angle (90 o ) Right Triangle

10.  Has an angle more than 90 o Obtuse Triangle

11. What kind of Triangle is this? EquilateralIsosceles Scalene

12. YOU ARE ON POINT! NEXT! This Triangle has TWO equal sides and TWO equal angles!

13. Very nice effort but that is not the right answer. Please click the arrow to choose the correct answer. Very nice effort but that is not the right answer. Please click the arrow to choose the correct answer.

14. What kind of Triangle is this? 90 o 55 o 35 o Acute Right Obtuse

15. YOU ARE ON POINT! NEXT! This triangle has a 90 o angle!

16. Very nice effort but that is not the right answer. Please click the arrow to choose the correct answer. Very nice effort but that is not the right answer. Please click the arrow to choose the correct answer.

17. What kind of Triangle is this? Acute Isosceles Acute Scalene Right Equilateral Right Isosceles Obtuse Scalene Obtuse Equilateral 110 o

18. YOU ARE ON POINT! NEXT! This triangle has NO equal sides and an angle larger than 90 o !

19. Very nice effort but that is not the right answer. Please click the arrow to choose the correct answer. Very nice effort but that is not the right answer. Please click the arrow to choose the correct answer.

20. SOURCES: http://www.mathsisfun.com/triangle.htmlhttp://www.mathsisfun.com/triangle.html