This geometry video tutorial explains how to identify the location of the incenter, circumcenter, orthocenter and centroid of a triangle. The incenter can be found be drawing the 3 angle bisectors of a triangle and identifying the point of intersection. The incenter always lie inside of a triangle. The incenter is the center of the circle that is inscribed in a triangle. The location of the centroid of a triangle can be identified by the intersection of the three medians. The orthocenter of a triangle can be located by finding the intersection of the three altitudes of a triangle. For an acute triangle, the orthocenter lies inside of the triangle. For a right triangle, it lies on the right triangle. For an obtuse triangle, the orthocenter lies outside of the triangle. The circumcenter of a triangle can be found by the intersection of the three perpendicular bisectors. The circumcenter is the center of the circle that is circumscribed about the triangle.
Circles - Area, Circumference, Radius:
[ Ссылка ]
Circles - Chords, Radius, & Diameter:
[ Ссылка ]
Lines, Rays, Line Segments, & Angles:
[ Ссылка ]
2 Column Proofs - Cong. Segments:
[ Ссылка ]
Triangle Congruence - SSS, SAS, ASA:
[ Ссылка ]
Central Angles and Circle Arcs:
[ Ссылка ]
___________________________________
Tangent Lines and Secant Lines:
[ Ссылка ]
Circles - Central and Inscribed Angles:
[ Ссылка ]
Tangent Tangent Angle Theorems:
[ Ссылка ]
Inscribed and Circumscribed Polygons:
[ Ссылка ]
Power Theorems - Chords, Secants, & Tangents:
[ Ссылка ]
Circle Theorems:
[ Ссылка ]
_________________________________
Two Column Proofs With Circles:
[ Ссылка ]
Circles Review - Geometry:
[ Ссылка ]
Distance Between Point and Line in 2D & 3D:
[ Ссылка ]
Area of a Triangle With Vertices:
[ Ссылка ]
________________________________
Coordinate Geometry:
[ Ссылка ]
Geometry Review - Study Guide:
[ Ссылка ]
Geometry Final Exam Review:
[ Ссылка ]
Final Exams and Video Playlists:
[ Ссылка ]
Full-Length Videos and Worksheets:
[ Ссылка ]
