42 Videos for "arc"

Radian Measure of Angles  Problem 4
Math › Precalculus › Trigonometric Functions
How to find the arc length and area of a sector when the central angle 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 angle is given in radians or degrees. 
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. 
Parts of a Circle  Concept
Math › Geometry › Geometry Building Blocks
How to define a circle and identify its main parts. 
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. 
Inscribed Angles  Concept
Math › Geometry › Circles
How to calculate the measure of an inscribed angle. 
Secants  Problem 1
Math › Geometry › Circles
How to find the angle measures formed by intersecting secants. 
Secants  Problem 4
Math › Geometry › Circles
How to fin the length of secant segments drawn from points outside a circle. 
Area of a Sector  Concept
Math › Geometry › Area
How to derive the formula to calculate the area of a sector in a circle. 
Volume of Cylinders  Problem 2
Math › Geometry › Volume
How to calculate the volume of a cylinder with a missing wedge, given the measure of the arc. 
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. 
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. 
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. 
Similar Triangles in Circles and Right Triangles  Problem 1
Math › Geometry › Similarity
How to find missing side lengths of triangles in a circle. 
Cyclic Quadrilaterals and Parallel Lines in Circles  Problem 2
Math › Geometry › Circles
How to calculate the measure of an arc created by a cyclic parallelogram. 
Similar Triangles in Circles and Right Triangles  Concept
Math › Geometry › Similarity
How to determine if two triangles in a circle are similar and how to prove that three similar triangles exist in a right triangle with an altitude. 
Similar Triangles in Circles and Right Triangles  Problem 2
Math › Geometry › Similarity
How to find missing side lengths in a right triangle with an altitude drawn from the right angle. 
Cyclic Quadrilaterals and Parallel Lines in Circles  Problem 1
Math › Geometry › Circles
How to calculate angles in a cyclic quadrilateral given arc measures and two angle measures.