Instructional Video3:01
Brian McLogan

Determine the Value of X Using Third Angle Theorem and Congruent Triangles

12th - Higher Ed
👉 Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. When one of the values of a pair of congruent sides or angles is unknown and the...
Instructional Video4:09
Brian McLogan

Determine the Value of your Variables with Congruent Triangles

12th - Higher Ed
👉 Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. When one of the values of a pair of congruent sides or angles is unknown and the...
Instructional Video2:58
Brian McLogan

What is the Third Angle Theorem of Triangles

12th - Higher Ed
👉 Learn about congruent triangles theorems. Two or more triangles are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods include: (1)...
Instructional Video6:42
Math Fortress

Geometry: Beginning Proofs (Level 3 of 3)

12th - Higher Ed
In this video we go over 3 examples that illustrates how to use previously proven theorems, assumptions, properties of real numbers, variables, and operations as a reason in a proof.