24 Videos for "central angle"

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. 
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. 
Inscribed Angles  Concept
Math › Geometry › Circles
How to calculate the measure of an inscribed angle. 
Inscribed Angles  Problem 1
Math › Geometry › Circles
How to find the measure of an inscribed angle and a missing arc. 
Inscribed Angles  Problem 3
Math › Geometry › Circles
How to find the measure of inscribed angles that have congruent intercepted arcs. 
Inscribed Angles  Problem 2
Math › Geometry › Circles
How to find the measure of intercepted arcs, given the vertex angle of an inscribed isosceles triangle. 
Radian Measure of Angles  Problem 1
Math › Trigonometry › Trigonometric Functions
How to measure a central angle of a circle when the radius and the length of the intercepted arc are given. 
Radian Measure of Angles  Problem 1
Math › Precalculus › Trigonometric Functions
How to measure a central angle of a circle when the radius and the length of the intercepted arc are given. 
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. 
Radian Measure of Angles  Problem 4
Math › Precalculus › Trigonometric Functions
How to find the arc length and area of a sector when the central and is given in radians or degrees. 
Radian Measure of Angles  Problem 4
Math › Trigonometry › Trigonometric Functions
How to find the arc length and area of a sector when the central and is given in radians or degrees. 
Radii to Tangents  Problem 1
Math › Geometry › Circles
How to calculate the central angle formed by radii to tangents that intersect at a point outside the circle. 
Area of a Sector  Concept
Math › Geometry › Area
How to derive the formula to calculate the area of a sector in a circle. 
Area of a Segment  Concept
Math › Geometry › Area
How to derive the area of a segment formula. 
Area of a Sector  Problem 1
Math › Geometry › Area
How to find the area of a sector when the radius and arc measure are given. 
Area of a Segment  Problem 2
Math › Geometry › Area
How to find the area of a segment, given a side in an equilateral triangle. 
Area of a Segment  Problem 1
Math › Geometry › Area
How to find the area of a segment, given a leg in a right triangle.