28 Videos for "inscribed"

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. 
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. 
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. 
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. 
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  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  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.