GeoGebra
GeoGebra
Home
News Feed
Resources
Profile
People
Classroom
App Downloads
Question 2: Vertical Angle Theorem
Author:
Steve Phelps
In this spherical world, How does the Vertical Angle Theorem hold true? When two lines (great circles) intersect, are vertical angles congruent?
GeoGebra
New Resources
Graphing Logarithmic Functions
How to Assign Color Objects Inside the List? II
Cube of a Binomial - Volume Model
Thin Slice: Using Trig Ratios to Solve for R.Triangle Sides
Open Middle Logarithm Exercises (1)
Discover Resources
Pythagoras' Theorem Proof 1
Double Reflections Over Parallel Lines
Triangle Sum
Lens System (Try 3)
coordinate geometry
Discover Topics
Sphere
Cuboid
Planes
Algebra
Right Triangles