http://www.ck12.org Chapter 9. Circles
- Chord
- Diameter
- Secant
- Tangent
- Point of Tangency
- Congruent Circles
- Concentric Circles
- Tangent to a Circle Theorem
- Central Angle
- Arc
- Semicircle
- Minor Arc
- Major Arc
- Congruent Arcs
- Arc Addition Postulate
- Inscribed Angle
- Intercepted Arc
- Inscribed Angle Theorem
- Inscribed Polygon
- Standard Equation of a Circle
Chapter Review
Match the description with the correct label.
- minor arc - A.CD
- chord - B.AD
- tangent line - C.
←→
CB
- central angle - D.
←→
EF
- secant - E.A
- radius - F.D
- inscribed angle - G.^6 BAD
- center - H.^6 BCD
- major arc - I.BD̂
- point of tangency - J.BCD̂
Texas Instruments Resources
In the CK-12 Texas Instruments Geometry FlexBook, there are graphing calculator activities designed to
supplement the objectives for some of the lessons in this chapter. See