28 Videos for "inscribed circle"

Circumscribed and Inscribed Circles and Polygons  Concept
Math › Geometry › Constructions
How to define circumscribed and inscribed circles and polygons relative to each other. 
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. 
Tangent Segments to a Circle  Concept
Math › Geometry › Circles
How to find the length of tangent segments drawn to a circle from the same point. 
Tangent Segments to a Circle  Problem 1
Math › Geometry › Circles
How to find the lengths of a triangle circumscribed about a circle. 
Tangent Segments to a Circle  Problem 2
Math › Geometry › Circles
How to find the measure of an angle formed by a chord drawn between two points of tangency. 
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. 
Regions Between Circles and Squares  Concept
Math › Geometry › Area
How to calculate the area between a square and an inscribed circle. 
Cyclic Quadrilaterals and Parallel Lines in Circles  Concept
Math › Geometry › Circles
How to prove that opposite angles in a cyclic quadrilateral are congruent; how to prove that parallel lines create congruent arcs in a circle. 
Similar Triangles in Circles and Right Triangles  Problem 1
Math › Geometry › Similarity
How to find missing side lengths of triangles in a circle. 
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. 
Constructing the Incenter  Problem 1
Math › Geometry › Constructions
How to construct the inscribed circle of a triangle using a compass and straightedge. 
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. 
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. 
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. 
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. 
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. 
Arc Length  Problem 3
Math › Geometry › Circles
How to find the arc length formed by an inscribed angle given the diameter.