Angle Formed by 2 Secants (V2): What Do You See?

Applet allows for students to informally discover that the measure of an angle formed by 2 secants drawn to a circle is equal to half the (absolute value of) the difference of the intercepted arcs.

 

Tim Brzezinski

 
Resource Type
Activity
Tags
Target Group (Age)
3 – 19+
Language
English
 
 
 
© 2026 International GeoGebra Institute