22 Videos for "angle bisector"

Angle Bisectors  Concept
Math › Geometry › Geometry Building Blocks
How to label an angle bisector; how to use an angle bisector to find a missing variable. 
Constructing an Angle Bisector  Concept
Math › Geometry › Constructions
How to define and construct an angle bisector. 
Constructing an Angle Bisector  Problem 1
Math › Geometry › Constructions
How to construct a 30 degree angle. 
Constructing an Angle Bisector  Problem 2
Math › Geometry › Constructions
How to construct a 45 degree angle. 
Angle Bisectors and Opposite Side Ratios  Concept
Math › Geometry › Similarity
How to relate the sides of an angle bisected and the lengths of the opposite side. 
Angle Bisectors and Opposite Side Ratios  Problem 1
Math › Geometry › Similarity
How to find a missing length created by a median in a triangle using a proportion. 
Angle Bisectors and Opposite Side Ratios  Problem 2
Math › Geometry › Similarity
How to find a missing length, given the length of the opposite side in a triangle. 
Corresponding Parts of Similar Triangles  Concept
Math › Geometry › Similarity
How to relate corresponding altitudes, medians and angle bisectors in similar triangles. 
Corresponding Parts of Similar Triangles  Problem 1
Math › Geometry › Similarity
How to find the length of an angle bisector using similar triangles. 
Rhombus Properties  Problem 2
Math › Geometry › Polygons
How to find the length of diagonals and angles in a rhombus. 
Rhombus Properties  Problem 1
Math › Geometry › Polygons
How to find the angles in a rhombus created by drawing one diagonal. 
Rectangle and Square Properties  Problem 1
Math › Geometry › Polygons
How to find the angles in a square created by drawing diagonals, and finding the lengths of those diagonals. 
Special Isosceles Triangle Properties  Concept
Math › Geometry › Triangles
How to identify a segment from the vertex angle in an isosceles triangle to the opposite side. 
Special Isosceles Triangle Properties  Problem 2
Math › Geometry › Triangles
How to find the measure of a vertex angle when a median is given in an isosceles triangle. 
Locus and Definition of a Circle and Sphere  Problem 2
Math › Geometry › Circles
How to find the locus of points that are equidistant from the sides of an angle. 
Point of Concurrency  Concept
Math › Geometry › Constructions
How to define point of concurrency; how to identify the four main points of concurrency in triangles. 
Rhombus Properties  Concept
Math › Geometry › Polygons
How to define a rhombus and compare it to a square and rectangle. 
Constructing the Incenter  Concept
Math › Geometry › Constructions
How to construct the incenter using a compass and straightedge. 
Rectangle and Square Properties  Concept
Math › Geometry › Polygons
How to define a rectangle and a square. 
Constructing the Incenter  Problem 1
Math › Geometry › Constructions
How to construct the inscribed circle of a triangle using a compass and straightedge.