59 Videos for "congruent"

Radii to Tangents  Problem 2
Math › Geometry › Circles
How to calculate a missing angle in a quadrilateral formed by two circles that are tangent but not congruent and their radii drawn to a common line of tangency. 
Chords and a Circle's Center  Problem 2
Math › Geometry › Circles
How to find the center of a circle given only an arc. 
Duplicating a Line Segment  Problem 3
Math › Geometry › Constructions
How to construct an equilateral triangle given one segment. 
Chords and a Circle's Center  Problem 1
Math › Geometry › Circles
How to find the length of two chords where the length of the perpendicular bisectors are given. 
Tangent Segments to a Circle  Problem 3
Math › Geometry › Circles
How to calculate the measure of an intercepted arc formed by two tangents drawn from the same point. 
Vertical Angles  Problem 3
Math › Geometry › Reasoning, Diagonals, Angles and Parallel Lines
How to determine the measure of vertical angles that are supplementary. 
Vertical Angles  Problem 2
Math › Geometry › Reasoning, Diagonals, Angles and Parallel Lines
How to solve for a variable used to measure vertical angles. 
Inscribed Angles  Problem 2
Math › Geometry › Circles
How to find the measure of intercepted arcs, given the vertex angle of an inscribed isosceles triangle. 
Parts of a Circle  Problem 1
Math › Geometry › Geometry Building Blocks
How to classify arcs and define chords and tangents. 
Angles: Types and Labeling  Problem 1
Math › Geometry › Geometry Building Blocks
How to define congruent angles and how to label adjacent angles. 
Central Angles and Intercepted Arcs  Problem 4
Math › Geometry › Circles
How to find the measure of an arc created by the vertices of an inscribed regular polygon. 
Chords and a Circle's Center  Problem 3
Math › Geometry › Circles
How to find the radius of a circle when the length of a chord and its distance to the center of the circle is given. 
Central Angles and Intercepted Arcs  Problem 3
Math › Geometry › Circles
How to find the measure of an intercepted arc given the measure of two arcs. 
Vertical Angles  Problem 1
Math › Geometry › Reasoning, Diagonals, Angles and Parallel Lines
How to find the measure of an angle using the Triangle Angle Sum Theorem and vertical angles. 
Parts of a Circle  Concept
Math › Geometry › Geometry Building Blocks
How to define a circle and identify its main parts. 
Center and Apothem of Regular Polygons  Concept
Math › Geometry › Area
How to define the apothem and center of a polygon; how to divide a regular polygon into congruent triangles. 
Rectangle and Square Properties  Problem 2
Math › Geometry › Polygons
How to find the point of intersection of the diagonals of a rectangle in a coordinate plane. 
Central Angles and Intercepted Arcs  Problem 2
Math › Geometry › Circles
How to find the arc and angle measure when a diameter is given, as well as a radius and a chord drawn between the two. 
Why SSA and AAA Don't Work as Congruence Shortcuts  Concept
Math › Geometry › Triangles
How to determine which congruence shortcuts do not work and why.