Weird History
How 'Kilroy Was Here' Was The First Meme Ever
From the hulls of ships to the sides of trucks to the walls of bathroom stalls across the world - and even engraved into national monuments - one iconic phrase has appeared in seemingly every place across the globe: "Kilroy was here."
Curated Video
Finding the Measure of Circumscribed Angles: Relationships with Central Angles
In this video, we learn how to find the measure of a circumscribed angle by understanding the relationship between central angles and circumscribed angles. By manipulating angles within quadrilaterals and using the properties of...
Schooling Online
Physics Kinematics: Motion in a Straight Line - Graphical Vector Resolution
The roof collapses around Vector Man! How will he escape the ruins of Lexi Luthor’s hideout? This lesson will explain the steps needed to graphically resolve a 2D vector into two perpendicular components. Definitions included: vector...
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 definition of a regular polygon and how do you find the interior angles
👉 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...
Brian McLogan
Finding the length of a triangle using algebraic expression and perimeter - Online tutor
👉 Learn how to find the area and perimeter of triangles. A triangle is a shape of three sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is the measure of the outline enclosing...
Visual Learning Systems
What Is the Water Cycle?: Condensation
This beautiful program illustrates the key components of the water cycle that occurs everywhere around us. Concepts and terminology: condensation, evaporation, precipitation, cloud, rain, snow, sleet, and hail.
Curated Video
Graphing Lines in Slope-Intercept Form
In this video, the teacher explains how to graph a line using the slope-intercept form of an equation. The examples provided demonstrate how to find the y-intercept and slope, and how to plot points to create the line on a graph.
Curated Video
Drawing Triangles: Connecting Three Straight Sides
In this video, the teacher explains how to draw a triangle by connecting three straight sides. They address common misunderstandings about triangles, such as the sides not needing to be straight or the same length.
Curated Video
Using Exponential Equations and Natural Logarithms to Solve Real Life Problems
In this video, the teacher explains how to solve a real-life exponential equation using the natural logarithm. The example used is determining how long it will take for hot soup to cool down to a comfortable temperature. The teacher...
Brian McLogan
What does it mean to isolate a variable
👉 Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
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
What is the Pythagorean Inequality Theorem
👉 Learn all about classifying triangles. A triangle is a closed figure with three sides. A triangle can be classified based on the length of the sides or based on the measure of the angles. To classify a triangle based on the length of...
Brian McLogan
How to find x for a secant and a tangent line of a circle
Learn how to solve problems with secant lines. A secant line is a line that intersects a circle at exactly 2 points in contrast to a tangent line which is a line that touches a circle at exactly one point. When two secant lines...
KnowMo
Angles in Polygons: Calculating Interior and Exterior Angles
This video is a lecture presentation on angles in polygons. The presenter explains what a polygon is and how to calculate angles inside of it. They highlight the importance of triangles in finding the interior angles of shapes and...
Brian McLogan
Given the vertex and focus learn to write the equation of the parabola in standard form
Learn how to write the equation of a parabola given the vertex and the focus. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared). Recall...
Curated Video
Calculating Speed: Distance, Time, and Equations
This is a lecture video on the topic of calculating speed. The video explains how to calculate the speed of an object based on its distance travelled and time taken. The presenter uses simple examples to illustrate the equations used to...
Brian McLogan
What are four types of polygons
👉 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...
Brian McLogan
How to find the sum of interior angles for a heptagon
👉 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
Determine if the sides of a triangle produce a right triangle ex 1
👉 Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
Curated Video
Identifying Points, Rays, Lines, and Line Segments
In this lesson, students will learn how to identify geometric figures such as points, lines, rays, and line segments. Through observation, they will understand the characteristics of each figure and how to label them correctly.
Brian McLogan
Using the properties of Natural logs to solve an exponential equations
👉 Learn how to solve exponential equations in base e. An exponential equation is an equation in which a variable occurs as an exponent. e is a mathematical constant approximately equal to 2.71828. e^x is a special type of exponential...
Brian McLogan
Graphing a linear inequality by rewriting the equation into slope intercept form
👉 Learn how to graph linear inequalities written in standard form. Linear inequalities are graphed the same way as linear equations, the only difference being that one side of the line that satisfies the inequality is shaded. Also broken...
Schooling Online
Physics Kinematics: Motion in a Straight Line - Algebraic Vector Resolution
Every criminal must pay for their crimes! But as Vector Man prepares to lock Carmen behind bars, a third player enters the game… This lesson will explain how to algebraically resolve a 2D vector into two perpendicular components, such as...