Activity
Analyze Math

Analyze Math: Central and Inscribed Angles

For Students 9th - 10th Standards
The interactive tutorial examines the properties of central and inscribed angles intercepting a common arc in a circle. Learners use the applet to find central and inscribed angles.
Handout
Math Open Reference

Math Open Reference: Inscribed Angle

For Students 9th - 10th Standards
Learn about inscribed angles with this handy reference guide. Provides a detailed definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Activity
Texas Instruments

Texas Instruments: Arcs and Angles: Explore Inscribed & Central Angle Properties

For Teachers 9th - 10th Standards
This activitie uses the power of Cabri Jr. to explore the relationship between inscribed angles and central anlges in cirles.
Unknown Type
Khan Academy

Khan Academy: Inscribed Angles

For Students 9th - 10th Standards
Practice the relationship between inscribed and central angles that are subtended by the same arc length. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Handout
Geometry Help

Geometry Help: Arcs, Angles, and Sectors

For Students 9th - 10th Standards
Explains the basic concept of arcs, angles, and sectors with step-by-step instructions and methods for solving specific problems on your own relating to this topic.
Activity
Texas Instruments

Texas Instruments: Central Versus Inscribed Angles in Circles

For Teachers 9th - 10th Standards
Using Cabri Jr. to explore the connection between central and inscribed angles along with their arc measure.
Handout
CK-12 Foundation

Ck 12: Geometry: Arcs and Angles Study Guide

For Students 9th - 10th Standards
This study guide on arcs and angles covers key vocabulary, arc measurement in degrees and radians, congruent arcs, bisecting arcs, and the angles on, inside, and outside a circle. Also covers formulas and theorems. It is available for...
Activity
Texas Instruments

Texas Instruments: Cabri Jr. Inscribed and Central Angles

For Teachers 9th - 10th Standards
This activity uses Cabri Jr. to explore the relationship between inscribed and central angles subtended from the same arc of a circle.
Handout
Math Open Reference

Math Open Reference: Central Angle

For Students 9th - 10th Standards
A handy reference guide to central angles. It provides definitions, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Circles

For Students 9th - 10th
Practice using your graphing calculator for drawing circles and for finding measurements for circles and parts of the circle. If you get stumped or if you would like to check your work, then select the View Solution button, which is...