Brian McLogan
How to quickly rotate a point 180 degrees
👉 Learn how to rotate a figure and different points about a fixed point. Most often that point or rotation will be the original but it is important to understand that it does not always have to be at the origin. When rotating it is also...
Brian McLogan
Finding the value of x using the interior sum theorem for a hexagon
👉 Learn how to solve for an unknown variable in the interior angle 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...
Brian McLogan
How to determine the sum of all interior angles of a polygon ex 1
👉 Learn how to determine the sum of interior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior angle of a polygon...
KnowMo
Angles, Triangles, and Polygons: Understanding the Degrees Inside Geometric Shapes
This video is an educational lesson on angles, triangles, and polygons. The presenter explains how to calculate missing angles in triangles and how the exterior angle is related to the opposite angles of a triangle. They also discuss...
Brian McLogan
Determine how to use angle relationships to solve for the missing angle
👉 Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Brian McLogan
Given a polar point find different ways to write the same point
Given a polar point find different ways to write the same point
Brian McLogan
What is the sum of interior angles for a nonagon
👉 Learn how to determine the sum of interior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior angle of a polygon...
Brian McLogan
Using an inscribed angle to determine the measure of an arc on a circle
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Brian McLogan
What are adjacent angles and linear pairs
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
Brian McLogan
Find the measure of three angles by determining the value of x
👉 Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Curated Video
Writing and Solving Equations with Complementary and Supplementary Angles
In this video, students learn how to write and solve equations using complementary and supplementary angles. The example of the Leaning Tower of Pisa is used to illustrate the concept, showing how to find the angle at which the tower...
KnowMo
Angle Sums in Triangles: Understanding and Calculating Missing Angles
The video is a lecture presentation on the concept of angle sums in triangles. The video then demonstrates how this property can be used to calculate missing angles in a triangle by finding what is already known and subtracting it from...
Curated Video
Trigonometric Graphs: Finding Multiple Solutions and Extending the Range
In this video, the presenter teaches how to use trigonometric graphs to find multiple solutions and extend the graphs beyond 0 and 360 degrees. The presenter gives two examples, one to find cos 295 degrees in terms of a trigonometric...
Brian McLogan
What is the different formulas for interior angles of a polygon
👉 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
Determine the relationship between two angles
👉 Learn how to define angle relationships. Knowledge of the relationships between angles can help in determining the value of a given angle. The various angle relationships include: vertical angles, adjacent angles, complementary angles,...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Parallel Lines Problem - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Brian McLogan
Determine the sum of interior angles when given one exterior angle ex 3
👉 Learn how to determine the sum of interior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior angle of a polygon...
Brian McLogan
Geometry - How to Determine the Missing Values with Congruent Triangles
👉 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...
Curated Video
Determining Similar Triangles Using Angle Measures and the Triangle Sum Theorem
In this video, the teacher explains how to determine if two triangles are similar by comparing their corresponding angles. They also discuss the triangle sum theorem and demonstrate how to find missing angle measures.
Curated Video
Convert Between Radians and Degrees
In this video, students will learn to identify the units and symbols to determine whether an angle is in degrees or radians, and they will gain a solid understanding of the conversion process. The lesson includes examples and...
KnowMo
Angles Notations and Conventions
This video provides an introduction to angle notations and conventions. The presenter explains what an angle is, how to measure it using a protractor, and the unit of degrees. The video discusses the importance of angles in various...
Brian McLogan
Find the number of sides of a regular polygon, given the measure of one interior ang
👉 Learn how to determine the number of sides of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior angle of a polygon...
Brian McLogan
Determine the number of sides of a regular polygon given one interior angle ex 1
👉 Learn how to determine the number of sides of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior angle of a polygon...