Professor Dave Explains
Carbohydrates Part 2: Polysaccharides
Now that we know about simple sugars, we need to know about how these polymerize to form long polysaccharide chains, like cellulose, starch, and glycogen. Check it out!
Brian McLogan
Using arc length formula to find the values for a circle
👉 Learn how to solve problems with arc lengths. You will learn how to find the arc length of a sector, the angle of a sector, or the radius of a circle. An arc of a circle is the curve between a pair of points on the circumference of the...
Let's Tute
Introduction to Circles: Terminologies and Concepts
The video teaches basic terminologies and concepts related to circles, using a circular park as an example. It covers the definitions of a circle, radius, diameter, chord, secant, segment, arc, circumference, tangent, and sector. It also...
SciShow
Why Venus Is THE WORST
Venus was once thought to have been very earth-like and pleasant, but now it's considered a harsh wasteland that we wouldn't even send a robot to.
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.
KnowMo
Circle Definitions: Understanding the Eight Parts of a Circle
This video is a lecture presentation on the definitions of different parts of a circle. The presenter explains the concept of circle parts and their importance in geometry. The video covers eight components that are essential in...
Let's Tute
Areas Related To Circle - Part 2
This Video Explains the formula related to Area, Circumferences, arc, sector of a circle
KnowMo
Calculating Area and Circumference of Circles
This video is a tutorial on how to calculate the area and circumference of circles using formulas such as pi times the radius squared or pi times the diameter of the circle. The video explains the importance of rounding the final answer...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Arc length - 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
What is the relationship of the product of two chords that intersect inside of a circle
Learn how to solve problems with chords. A chord is a line that has its two endpoints on the circle. A chord passing through the center of the circle is refered to as the diameter of the circle. A chord divides the circle into two...
Brian McLogan
How to solve for x when given two tangent lines to a circle
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...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Circle Theorem - 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
What are the formulas for the measure of angles outside of a circle
Learn the essential definitions of the parts of a circle. A secant line to a circle is a line that crosses exactly two points on the circle while a tangent line to a circle is a line that touches exactly one point on the circle. A chord...
Curated Video
VERY HARD South Korean Geometry Problem (CSAT Exam)
Thanks to Hyeong-jun (H. J.) for emailing me this problem! This is a challenging problem from the math section of the 1997 CSAT, a standardized test in South Korea. Can you figure it out? It took me several attempts, but it was really...
3Blue1Brown
Derivative formulas through geometry | Essence of calculus, chapter 3
Introduction to the derivatives of polynomial terms and trigonometric functions thought about geometrically and intuitively. The goal is for these formulas to feel like something the student could have discovered, rather than something...
KnowMo
Understanding Circle Components and Definitions
This video provides an overview of the different components of a circle and their definitions. The video explains the circumference, diameter, radius, sector, arc, tangent, and chord of a circle, and how they relate to each other. The...
Professor Dave Explains
Lattice Structures in Ionic Solids
We've learned a lot about covalent compounds, but we haven't talked quite as much about ionic compounds in their solid state. These will adopt a highly ordered and repeating lattice structure, but the geometry of the lattice depends...
Brainwaves Video Anthology
Samuel Abrams The Supreme Court and Our Schools
Samuel E. Abrams is the director of the National Center for the Study of Privatization in Education at Teachers College, Columbia University. He was previously a high school teacher of economics and history for eighteen years. His recent...
Communication Coach Alex Lyon
What Are Communication Skills? Top 10!
What are Communication Skills? We'll look at the Top 10 Communication Skills according to employers' surveys.
Brian McLogan
Understanding what a radian is
👉 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...
Professor Dave Explains
What Are Standard Conditions?
Sometimes we do chemistry or take measurements at something called "standard conditions". What does this mean? It refers to a particular temperature and pressure, since these are factors that will often affect the experiments we do....
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...
Curated Video
Circle Terminology - Radius Diameter Sector Segment Chord Arc Tangent | Geometry | Math | FuseSchool
DESCRIPTION: There are some key words we need to know for circles: radius, circumference, diameter, sector, segment, tangent, chord and arc. In this video we discover what they all mean. The radius is the distance from the centre of a...
Curated Video
Circle Theorems - Part 1 | Geometry & Measures | Maths | FuseSchool
CREDITS Animation & Design: Murray Knox Narration: Lucy Billings Script: Lucy Billings In these 3 videos we are going to discover 9 different circle theorems. I’m a big fan of them - they’re like little logic puzzles. Before we get...