Curated Video
Circle Terminology - Radius Diameter Sector Segment Chord Arc Tangent
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
Find the Area of a Circle from the Circumference
In this short video we will answer a standardized math test question where we are asked to find the area of a circle when given the circumference of the circle. We will identify the formulas for area and circumference of a circle. We...
Let's Tute
Mastering Circle Formulas: Simplified Explanation and Examples
In this video, the teacher explains the different parts of a circle and which ones require a formula to find. They go on to explain the formulas for circumference, area, length of an arc, and area of a sector. The teacher also provides...
Brian McLogan
What is the unit circle and how do you find points on the unit circle
👉 Learn about the points on the unit circle. A unit circle is a circle which radius is 1 and is centered at the origin in the cartesian coordinate system. To construct the unit circle we take note of the points where the unit circle...
Brian McLogan
Given the radius of a circle find the length of an arc
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
Find the length of a arc given the radius of 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...
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...
Brian McLogan
Find the central angle given the arc length and radius
👉 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...
Flipping Physics
Introduction to Circular Motion and Arc Length
Cartesian and polar coordinates are introduced and how to switch from one to the other is derived. The concept of angular displacement and arc length are demonstrated. Circumference is shown to be an arc length.
Brian McLogan
ACT SAT Prep Learn how to determine the circumference of a circle
ACT SAT Prep Learn how to determine the circumference of a circle
Curated Video
Proving the Area of a Circle
In this video, the teacher explains how to prove the formula for calculating the area of a circle using a visual demonstration. By dissecting and rearranging the circle into smaller slices, the teacher shows how the formula, area equals...
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...
Jam Campus
Circle Song
Learn the area, diameter, and circumference of a circle through song! A great way to boost classroom engagement when introducing new topics.
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Circumference of a Circle - 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...
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
Circles and Circumference
This video lesson will review key vocabulary terms about circles and finding circumference of circles and semicircles. Students will learn how to describe a circle in terms of radius and diameter, understand the concept of pi, and find...
TMW Media
Circles And Circular Figures: Learn about the circumference of a circle
What is a diameter? What is a radius? Explain the circumference of a circle. What is the formula for a circumference? What is Pi? Circles And Circular Figures, Part 1
Curated Video
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...
Brian McLogan
Master Finding the area and circumference of a circle and shaded regions
Master Finding the area and circumference of a circle and shaded regions
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
Curated Video
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...
Visual Learning Systems
Circles Review
This video provides a concise overview of the key concepts related to circles, including the radius, diameter, circumference, and area. It also touches on finding the area and volume of cylinders. This video is part of the 8-part series,...
Curated Video
Circumference of Circles Explained with Formulas and Examples
This video provides a lesson on the circumference of circles, explaining the relationship between the diameter and circumference and how to calculate the circumference using the formula π * D or 2π R. The video also includes examples of...
Curated Video
Sectors and Arc Lengths of Circles
This video provides an electric presentation on sectors and arc lengths of circles. The presenter explains the key information needed to understand the topic, including the circumference and area formulas of a circle. The presentation...