Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
The square of tangnent = prod of secants
Author:
dfreeston
Topic:
Circle
,
Square
This worksheet illustrates and then proves that the square of the length of the tangent from an external point is equal to the product of the intercepts of the secant passing through this point.
GeoGebra
New Resources
探究由平行線和截線所成的角
Parallelograms: Quick Investigation
Poorly Drawn Parallelograms
Average Rate of Change: Graph a Function (2)
Droste effect
Discover Resources
Тетраэдр и плоскости
Sergio Perez Invent
Copy a triangle
Centroid
Ten Married couples.
Discover Topics
Arithmetic Mean
Median Line
Polynomial Functions
Sphere
Rectangle