4-19 3rd and 4th Block

4/19 3^rd and 4^th Block

 

Triangle Types

class="Normal__Char" style=" text-decoration: none;">By Angle	By Side
Acute – all angles less than 90°	Scalene – all three sides are different
Right – has a 90° angle	Isosceles – at least two sides are the same
Obtuse – has an angle greater than 90°	Equilateral – all three sides are equal

 

Remember any triangle can be categorized by both their sides and their
angles.

 

Below are links to constructions of the four centers of circles we
looked at today.

 

Median – http://www.mathopenref.com/constmedian.html

 

Perpendicular Bisector – class="Hyperlink__Char">http://www.onlinemathlearning.com/perpendicular-bisector.html

 

Angle Bisector – class="Hyperlink__Char">http://strader.cehd.tamu.edu/geometry/bisectangle1.0/bisectangle.html

 

Altitudes – class="Hyperlink__Char">http://www.mathopenref.com/constorthocenter.html

 

Vocabulary to know…

 

1. Acute Triangle


2. Obtuse Triangle


3. Right Triangle


4. Exterior Angle


5. Interior Angles


6. Scalene Triangle


7. Isosceles Triangle


8. Equilateral Triangle


9. Angle Bisector


10. Points of Concurrency


11. Incenter


12. Bisect


13. Circumcenter


14. Median


15. Centroid


16. Altitude


17. Orthocenter