GeoGebra
GeoGebra
Home
News Feed
Resources
Profile
People
Classroom
App Downloads
Proving a Triangle is Acute, Right or Obtuse
Author:
Keith Hatfield
Using Pythagorean's Theorem to Find out if triangles are acute, obtuse, or right
GeoGebra
New Resources
Mapping Rectangles into Discs
Open Middle Inscribed Angle Exercise (1)
Linear Functions - The Basics
Open Middle Sector Area Exercise
Which Segment is Longer? (V2)
Discover Resources
CCGPS AG 1.8.1 Example 4
Algebra - Language of Lines
Quiz Review
Right Cylinder
(carolineconquergood)similarityquiz
Discover Topics
Centroid or Barycenter
Real Numbers
Vectors
Calculus
Sphere