Curated Video
Parts of a Circle
This video explains the different parts of a circle such as the arc, segment and chord. Practice questions and answers are at the end of the video.
Curated Video
How to Rewrite Equations and Solve Literal Equations for One Variable
In this video, we explore the concept of literal equations, which involve equations with multiple variables. By following systematic steps such as isolating the variable of interest using properties of equality, we can solve for specific...
Curated Video
GCSE Maths - What are Chords, Segments, Arcs and Sectors? (Circles Part 2) #107
This video explains what chords, segments, arc and sectors are. These are all important parts of a circle that you need to know about. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation -...
Curated Video
GCSE Maths - How to find the Area and Circumference of a Circle (Circles Part 1) #106
This video explains how to find the area and circumference of a circle using the radius or the diameter. This video is suitable for maths courses around the world. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher...
Curated Video
GCSE Maths - Area of a Sector and Length of an Arc of a Circle (Circles Part 3) #108
This video explains how to find the area of a sector and the length of an arc. This video is suitable for maths courses around the world. KS3 - Not on your course GCSE Foundation - All on your course GCSE Higher - All on your course...
Curated Video
What Is Pi (π)? Is It Infinite?
Pi (π) is a fascinating number with many applications in mathematics, physics, and engineering. Its infinite decimal representation is a reminder of its fundamental nature in the universe. Mathematician Johann Lambert proved that pi is...
Zach Star
How should you arrange 7 water fountains in a mall to minimize the longest possible walk?
How should you arrange 7 water fountains in a mall to minimize the longest possible walk?
Curated Video
Perimeters of Shapes
A video entitled "Perimeters of Shapes" uses vertex coordinates to find the perimeters of shapes.
Curated Video
How Did People Figure Out That The Earth Was Round Without Any Technology?
The legendary Greek philosopher Socrates first popularized the idea that the Earth was round instead of flat. He observed a lunar eclipse and realized that the shadow on the moon due to the Earth was curved, which prompted him to deduce...
Curated Video
Circumference and Area of a Circle
In this video, a math teacher guides students through test prep questions related to circumference and area of circles. Using formulas and rounding techniques, the teacher helps students arrive at the correct answers and provides helpful...
Brian McLogan
How to find the radius when the area and circumference are changing at the same rate
👉 Learn how to take the derivative of a function. Learn how to find the derivative of a function using the chain rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the...
TMW Media
Circles And Circular Figures: Calculating the circumference of a circle
Given the diameter or the radius of a circle, what is its circumference? Circles And Circular Figures, Part 2
Brian McLogan
Learn how to show that a line is tangent to a circle by applying the quadratic formula
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Cerebellum
Geometry, Perimeter and Area
This video covers exam strategy, Geometry, Perimeter, Area, Angles, Circles. This is part 14 from the series 'Introduction to the Math Section of the SAT'.
R Programming 101
How to draw a line graph using ggplot with R programming. Plots and graphs to visualize data.
If you want to use R programming to create plots and graphs using the ggplot package, then watch this video. In this video, I'll go though how to visualize two numeric variables and one categoric variable using line graphs and faceting...
Curated Video
Introduction to Radian Measure: Measuring Angles Beyond Degrees
In this video lesson, students will learn about measuring angles in radians. They will understand that the radian measure of an angle is found by dividing the arc length by the radius of a circle. The video explains the concept of...
Brian McLogan
How to find the surface area of a cylinder
👉 Learn how to find the volume and the surface area of a cylinder. A cylinder is a 3-dimensional object having two circular bases and a round surface joining the bases. The vertical distance between the circular bases of a cylinder is...
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...
TMW Media
Cylinders, Cones and Spheres: Calculating the area of a cylinder
Given the radius or diameter and height, how do you calculate the area of a cylinder? Cylinders, Cones and Spheres, Part 2
Brian McLogan
Given the circumference how do you find the surface area of a hemisphere
👉 Learn how to find the volume and the surface area of a sphere. A sphere is a perfectly round 3-dimensional object. It is an object with the shape of a round ball. The distance from the center of a sphere to any point on its surface is...
Curated Video
Interpreting Function Notation: Understanding f(x)
In this video, we explain how to interpret function notation by looking at the language of F of X. We clarify two common misconceptions about function notation and demonstrate how it is used to identify relationships between variables in...
Catalyst University
Geometry | Surface Area of a Cylinder
In this video, we calculate the surface area of a cylinder [with example].
TMW Media
Cylinders, Cones and Spheres: Calculating the volume of a sphere
What is the formula to calculate the volume of a sphere? Given the radius or diameter, how do you calculate the volume of a sphere? Cylinders, Cones and Spheres, Part 6
KnowMo
Introduction to the First Four Circle Theorems
The video is a lecture presentation on the first four simple circle theorems. The speaker explains how to recognize and apply the angle properties created by chords connecting with the center and tangents running outside of the circle....