Crash Course
ATP & Respiration: Crash Course Biology
In which Hank does some push ups for science and describes the "economy" of cellular respiration and the various processes whereby our bodies create energy in the form of ATP.
Curated Video
Find Corresponding Angles of Similar Triangles
In this short video we will answer a standardized math test question where we are asked to identify a missing angle of a triangle. We will review the definition and meaning of similar triangles. We will identify which angle corresponds...
Curated Video
Proving Why the Angles of a Triangle Have a Sum of 180 Degrees
In this video, students are guided through a hands-on activity to prove why the angles of a triangle always add up to 180 degrees. By drawing and cutting out a triangle, labeling the angles, and connecting them together, students can...
Brian McLogan
What is the Third Angle Theorem of Triangles
👉 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)...
Let's Tute
Sum Of the Measures of Angles in a Triangle is 180 Degree
This video covers All About 'Lines & Angles' Such as - Introduction to Lines & Angles - Types of Angles - Theorems
Brian McLogan
Prove Sum of All Angles in a Triangle is 180 | Part 3
Lets write. a proof to show once and for all that the sum of all angles in a triangle is going to be 180 degrees. To do this I will use a two column proof.
Brian McLogan
Using the Angles of a Triangle to my Advantage | Part 4
Once we are familar with all the angles in a triangle adds up to 180 it is now time to try to problems that will come in handy. So for in this video that is exactly what we are going to do.00:00 Intro 00:24 Find the Value of x Using...
Brian McLogan
Given a ratio of angles for a triangle find the actual measurement
👉 Learn how to solve with the ratio of sides and angles of a triangle. Given the ratio of the sides of a triangle and the perimeter of the triangle, we can solve for the actual lengths of the triangle. Similarly, when the ratio of the...
Brian McLogan
What are the polygons and their interior angle sum from 3 sides to 10
👉 Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The sum of the...
Curated Video
Finding Missing Angle Measures Using Simple Equations and the Triangle Sum Theorem
In this video tutorial, students are guided through the process of finding missing angle measures in triangles using simple equations and the triangle sum theorem. The teacher demonstrates step-by-step how to solve for the unknown angles...
Brian McLogan
Learn how to use interior angle sum theorem for triangles to determine the missing angle
👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides...
Brian McLogan
Tangent difference of two angles identities using triangles
👉 Learn how to evaluate the secant of the sum or difference of two angles using the sum/difference formulas. To do this, we first use the Pythagoras theorem to obtain all the sides of the right triangle in the unit circle. Recall that...
Brian McLogan
Determine the missing angles using complementary and triangle angle sum
👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides...
Brian McLogan
Where does the interior angle sum theorem come from
👉 Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The sum of the...
Brian McLogan
What is the interior angle sum theorem for polygons
👉 Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The sum of the...
Brian McLogan
Applying the exterior angle sum theorem to solve for the missing angle ex
👉 Learn how to solve for an unknown variable in the exterior angle of a polygon. The exterior angle of a polygon is the angle between a side of the polygon and an outward extension of the adjacent side. The sum of the exterior angles of...
Curated Video
How Many Unique Triangles | 7.G.A.2
In this math video we will determine how many unique triangles can be formed from a proposed list of angle measures. We will begin by reviewing the Triangle Angle Theorem which states that the three interior angles of a triangle must...
Curated Video
Congruent Triangles & Their Angle Measures | 8.G.A.5
In this math video we will learn about congruent triangles & their angle measures. We will review the definition of congruent figures which is that congruent figures have corresponding sides and corresponding angles that are congruent....
Curated Video
Find the Missing Angle
In this short video we will answer a standardized math test question where we are asked to find the missing angle. We will be presented with three intersecting lines that form a triangle. We will be asked to find the missing angle. We...
Brian McLogan
Special segments of similar triangles angle bisector
👉 Learn how to solve with the ratio of sides and angles of a triangle. Given the ratio of the sides of a triangle and the perimeter of the triangle, we can solve for the actual lengths of the triangle. Similarly, when the ratio of the...
Brian McLogan
Given a ratio of sides of a triangle and perimeter find the measure of the sides
👉 Learn how to solve with the ratio of sides and angles of a triangle. Given the ratio of the sides of a triangle and the perimeter of the triangle, we can solve for the actual lengths of the triangle. Similarly, when the ratio of the...
Brian McLogan
How to find the length of the sides of a triangle given a ratio
👉 Learn how to solve with the ratio of sides and angles of a triangle. Given the ratio of the sides of a triangle and the perimeter of the triangle, we can solve for the actual lengths of the triangle. Similarly, when the ratio of the...
Curated Video
How to Find Angles Formed by Parallel Lines and a Transversal
In this video, the teacher explains how to find the measures of angles formed by parallel lines and a transversal. They use the properties of supplementary angles, alternate interior angles, and the triangle sum theorem to solve for the...
Curated Video
Triangle Sum Theorem and Exterior Angle Theorem
In this video, the teacher explains the basics of triangles, including the interior and exterior angles. The lesson covers the triangle sum theorem, using ratios to find angle measures, and the exterior angle theorem. The teacher...