GeoGebra
Home
News Feed
Resources
Profile
People
Groups
App Downloads
GeoGebra
Euclid's Elements - Book III, Proposition 19
Author:
mtpberg
A line drawn perpendicular to a tangent line at the point of tangency will pass through the center of the circle.
Discover Resources
Falling Ladder Related Rates animation
Adjacent angles
Circle_Matching_Challenge
ck catilus - rectangle
Jim Defily p:3
New Resources
Reflection - class game
HEXAGON
Reflect Points Y Axis
Exploration 2 - Proportionallity with 3 Lines
Exploration 1 - Proportionallity with Angle Bisector
