22 Videos for "chord"

Chords and a Circle's Center  Concept
Math › Geometry › Circles
How to define a chord; how to describe the effect of a perpendicular bisector of a chord and the distance from the center of the circle. 
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. 
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. 
Chords and a Circle's Center  Problem 2
Math › Geometry › Circles
How to find the center of a circle given only an arc. 
Angles in Semicircles and Chords to Tangents  Problem 3
Math › Geometry › Circles
How to solve for arcs and angles formed by two chords drawn to a point of tangency. 
Angles in Semicircles and Chords to Tangents  Problem 2
Math › Geometry › Circles
How to solve for arcs and angles formed by a chord drawn to a point of tangency. 
Angles in Semicircles and Chords to Tangents  Concept
Math › Geometry › Circles
How to prove that an angle inscribed in a semicircle is a right angle; how to solve for arcs and angles formed by a chord drawn to a point of tangency. 
Angles in Semicircles and Chords to Tangents  Problem 1
Math › Geometry › Circles
How to find the missing angles in an angle inscribed in a semicircle. 
Central Angles and Intercepted Arcs  Concept
Math › Geometry › Circles
How to define a central angle and find the measure of its intercepted arc; how to describe the intercepted arcs of congruent chords. 
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. 
Central Angles and Intercepted Arcs  Problem 1
Math › Geometry › Circles
How to find missing angles of triangles formed by radii to congruent chords. 
Parts of a Circle  Problem 1
Math › Geometry › Geometry Building Blocks
How to classify arcs and define chords and tangents. 
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. 
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. 
Secants  Concept
Math › Geometry › Circles
How to define a secant; how to find the length of various secants in circles. 
Secants  Problem 3
Math › Geometry › Circles
How to find the length of intersecting secant segments. 
Secants  Problem 2
Math › Geometry › Circles
How to find angle and arc measures formed by intersecting secants and tangents. 
Secants  Problem 1
Math › Geometry › Circles
How to find the angle measures formed by intersecting secants. 
Tangent Segments to a Circle  Problem 2
Math › Geometry › Circles
How to find the measure of an angle formed by a chord drawn to a point of tangency. 
Secants  Problem 4
Math › Geometry › Circles
How to fin the length of secant segments drawn from points outside a circle.