Created by Mr. Jeffrey. Thereoms Proving Trianges are Congruent by SSS, SAS, ASA, AAS, and HL. Questions this video answers: How do I prove triangles are congruent? How to use the concepts of corresponding parts congruent triangles? What is HL, SSS, SAS, ASA, and AAS Theorem?

Kelly Castaneda of the Xrds School uses this video to introduce the concept and properties of the incenter of the triangle. This video, used in conjunction with the other videos explaining various centers of the triangle, will help students organize the properties of the various centers. Questions this video answers: What is an incenter? What are the properties of an incenter? What is concurrency?

Ms. Kelly Castaneda teaches students how to construct a tangent to a circle and provide support to students while practicing the construction at home. Questions this video answers: What is a tangent? How do I construct a tangent? How to construct the perpendicular?

Ms. Dianna Elrod explaining the elements of a converse statement. Questions this video answers: What is a converse statement? What is an if/then statement? What is a conditional statement? How do I create a converse statement?

Ms. Kelly Castaneda demonstrates how to construct a congruent angle. Questions this video answers: How do I make two congruent angles by using a ruler and compass? How do I draw an arc with a copmass?

Ms. Mariam Enwia from Long Beach Renaissance High School for the Arts teaches how to find the area of a circle in terms of pi, find the area of a sector of a cirle and find the radius of a circle given the area. Questions this video answers: What is the area of a circle and sectors? How to formulate a circle? What is the radius of a circle with a specific A value? How to find the area of a circule and sectors?