28 Videos for "inscribed circle"

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. 
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  Problem 3
Math › Geometry › Circles
How to solve for arcs and angles formed by two chords drawn to a point of tangency. 
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. 
Center and Apothem of Regular Polygons  Problem 1
Math › Geometry › Area
How to find the length of an apothem in a regular polygon given a side length and the number of sides. 
Using Sine to Calculate the Area of a Triangle  Problem 2
Math › Geometry › Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle. 
Using Sine to Calculate the Area of a Triangle  Problem 2
Math › Trigonometry › Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle. 
Using Sine to Calculate the Area of a Triangle  Problem 2
Math › Precalculus › Basic Trigonometry
How to calculate the area of a regular inscribed polygon given only the radius of a circle.