12-5 Circles: Interior & Exterior Angles (DUE Mon. 4/7)

12-5 Circles: Interior & Exterior Angles (DUE Mon. 4/7)


Find the measures of interior and exterior angles of circles, formed by tangents, secants and chords.

See More
Introduction to Psychology

Analyze this:
Our Intro to Psych Course is only $329.

Sophia college courses cost up to 80% less than traditional courses*. Start a free trial now.


1. Watch the Lesson Video and take detailed notes in your Math Notebook:

Additional Resources:

Shmoop (Learning Guide): Circles

Shmoop (Video): Secant Angles

Online Textbook (Video #1 & 2): Angle Measures Associated with Circles

Regents Prep (Lesson): Formulas for Angles in a Circle

Regents Prep (Practice): Practice with Angles in Circles

Regents Prep (Lesson): Numerical Work with BIG Circles

Regents Prep (Practice): Numerical Practice with BIG Circles

Online Practice Quiz: Other Angle Relationships in Circles 

2. Complete and submit the WSQ Form:

Assignment 12-5:

Full Screen