Inscribed Polygons and Circumscribed Polygons, Circles – Geometry

This geometry video tutorial provides a basic review into inscribed polygons and circumscribed polygons with reference to circles. The opposite angles of a quadrilateral inscribed in a circle are supplementary. This video also explains how to solve the walk around problem when a circle is inscribed in a quadrilateral or when a quadrilateral is circumscribed about a circle. The incenter is the center of the circle when a circle is inscribed in a polygon. The circumcenter is the center of the circle when the circle is circumscribed about the polygon. This geometry video tutorial contains plenty of examples and practice problems.

Circles – Area, Circumference, Radius:

Circles – Chords, Radius, & Diameter:

Lines, Rays, Line Segments, & Angles:

2 Column Proofs – Cong. Segments:

Triangle Congruence – SSS, SAS, ASA:

Central Angles and Circle Arcs:

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Tangent Lines and Secant Lines:

Circles – Central and Inscribed Angles:

Tangent Tangent Angle Theorems:

Power Theorems – Chords, Secants, & Tangents:

Circle Theorems:

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Two Column Proofs With Circles:

Circles Review – Geometry:

Incenter, Circumcenter, and Orthocenter:

Distance Between Point and Line in 2D & 3D:

Area of a Triangle With Vertices:

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Coordinate Geometry:

Geometry Review – Study Guide:

Geometry Final Exam Review:

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Full-Length Videos and Worksheets:
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