Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Exterior Angle Sum
Author:
Mrs Riddle
Topic:
Angles
Begin with Sides = 3. Move the Size slider to 0. Watch the angles as they get closer together. What is their sum? Increase both Size and Sides and repeat. What is the sum of the exterior angles (one at each vertex)?
GeoGebra
New Resources
Dodecahedron
Variation Theory Parallelogram Proofs
Average Rate of Change: Graph a Function (1)
Exploring the Derivative of an Exponential Function
探究由平行線和截線所成的角
Discover Resources
construction of a perpendicular bisector
Untitled
peicewise
GEOGEBRA1
Investigation 1.5: Fractal 1
Discover Topics
Line Segment
Tree Diagrams
Rational Numbers
Scalene Triangles
Quadrilaterals