Brian McLogan
What is the difference between convex and concave
👉 Learn about polygons and how to classify them. A polygon is a plane shape bounded by a finite chain of straight lines. A polygon can be concave or convex and it can also be regular or irregular. A concave polygon is a polygon in which...
Curated Video
Understanding and Identifying Parts of Three-Dimensional Figures
In this video, the teacher explains the terms used to describe three-dimensional figures. They discuss the difference between one-dimensional, two-dimensional, and three-dimensional figures, and how to identify the faces, edges,...
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...
Math Fortress
Geometry: Division of Segments and Angles (Level 4 of 8)
In this video we will go over 5 intermediate examples involving midpoints, bisectors and trisectors.
Brian McLogan
How to label points lines and planes from a figure ex 1
👉 Learn how to label points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A point is...
KnowMo
Constructing Bisectors and Locating Points
The video is a tutorial on how to construct bisectors, loci, and identify regions in geometry. The presenter explains the steps to construct a perpendicular bisector with a compass and ruler, as well as how to bisect an angle. The video...
Brian McLogan
What is a line segment and ray
👉 Learn essential definitions of points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A...
Brian McLogan
What are terminal and initial sides of an angle?
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Curated Video
Finding Missing Edge Lengths on Composite 3D Prisms
In this video, the teacher explains how to identify missing edge lengths on composite 3D prisms by locating parallel edges. They use examples of rectangles and rectangular prisms to demonstrate how parallel sides have the same length.
Brian McLogan
What is a segment
👉 Learn essential definitions of points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A...
KnowMo
Calculating Midpoints: Methods and Applications
This video is a lecture presentation on midpoints, explaining what they are and how to calculate them mathematically. The video covers topics such as how to find the midpoint between two points using the gradient method or averaging out...
Zach Star
This is what a universe with spherical geometry might look like (even if you're sober)
This is what a universe with spherical geometry might look like (even if you're sober)
Math Fortress
Calculus III: The Dot Product (Level 5 of 12)
This video goes over the dot product also known as the scalar product. This video goes over a proof for the geometric definition of the dot product. This video also goes over 4 examples illustrating how to find the angle between two...
KnowMo
Angle Bisector: How to Bisect an Angle Using a Compass
This video is a tutorial on how to bisect an angle using a compass. The presenter explains the meaning of bisecting something into two equal parts and then demonstrates how to mark the line segments with a compass, create arcs within the...
Curated Video
Simplifying Square Roots with Physical Models
In this video, the teacher explains how to simplify square roots by using physical models and the Pythagorean theorem. They demonstrate how to calculate the length of a square root by finding the area of squares and splitting them into...
Math Fortress
Geometry: Introduction to Geometry (Level 7 of 7)
This video continues introducing the basic building blocks for the successful study of geometry. This video culminates this video series by going over 9 examples, that cover naming and set problems.
Brian McLogan
Learn How to Prove Two Triangles are Congruent by SSS - Congruent Triangles
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Brian McLogan
Name the segments in the given figure
👉 Learn how to label points, lines, and planes. A point defines a position in space. A line is a set of points. A line can be created by a minimum of two points. A plane is a flat surface made up of at least three points. A point is...
Brian McLogan
CCSS What is the definition of a Midpoint
👉 Learn how to find the midpoint between two points. The midpoint between two points is the point halfway the line joining two given points in the coordinate plane. To find the midpoint between two points we add the x-coordinates of the...
Brian McLogan
What is a directed line segment or vector
in this video series I will show you how to find the angle of a vector when given in component form or as a linear combination. To understand the direction of a vector it is important to go back to the unit circle and determine how we...
Curated Video
Pythagorean Theorem and the Coordinate Plane
This video lesson will introduce how to find the distance in the Coordinate Plane using the Pythagorean Theorem.
Professor Dave Explains
Polar Coordinates and Graphing Polar Equations
An introduction to polar coordinates and how to graph polar equations.