Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Altitudes and Orthocenter
Author:
Ginger Angell
,
Philip K
Students, follow these steps.
You are given a triangle with the three altitudes constructed. Determine the location of the orthocenter in an acute triangle, a right triangle, and a obtuse triangle.
GeoGebra
New Resources
Stairs (Optical Illusion)
Isosceles Triangle: Quick Construction
"Compressed" Astroid as Envelope
Napoleon's Theorem
Drag that Point!
Discover Resources
triangle
Julia_DeFlorentiis_Qtr1project_B1
Square (sqr)
รูปสามมิติ2
G.GCO.8 Perpendicular Bisector
Discover Topics
Combinatorics
Geometric Distribution
Symmetry
Calculus
Perimeter