Brian McLogan
What is the measure of a semi 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...
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...
Visual Learning Systems
Circles Quiz
This video quiz on the topics covered in the Circles series. The series covered key concepts related to circles, including the radius, diameter, circumference, and area. It also touches on finding the area and volume of cylinders. This...
Let's Tute
Areas Related to a Circle: Learning through the Circus
Areas Related to a Circle part 1/2: In this video, the teacher uses the concept of a circus to explain different formulas related to circles. They cover topics such as circumference, area, and sector, and show how to derive formulas from...
Brian McLogan
What is the chord 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...
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
Curated Video
GCSE Secondary Maths Age 13-17 - Shapes & Area: Perimeter and Area - Circles - 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...
SciShow
Happy Tau Day!
June 28 is Tau Day! Join SciShow as we celebrate circles by exploring the many uses of twice pi.
Brian McLogan
How to find the diameter of a circle when given the area
👉 Learn how to find the area and perimeter of a parallelogram. A parallelogram is a quadrilateral with two pairs of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
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...
Jam Campus
THE CIRCLE SONG
✌SUBSCRIBE FOR MORE VIDEOS: http://bit.ly/2F48qzK 📩 [FREE DOWNLOAD] 7 SECRETS OF MAKING YOUR OWN SONGS: http://eepurl.com/geN6WT 🎤 SING THE KARAOKE VERSION → Practice your skills: https://www.jamcampus.com/circle-song/ 🔥NEED A VIDEO...
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...
Brian McLogan
Find the volume of a sphere given the circumference
👉 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...
SciShow
π 'N' Science
It's pi day! Hank explains why this irrational number is important to scientists, and discusses a bit of a controversy that surrounds it.
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 do two tangents line compare if they run through the same point
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...
Brian McLogan
Learning to find the suface 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...
Catalyst University
Geometry | Surface Area of a Cylinder
In this video, we calculate the surface area of a cylinder [with example].
Curated Video
Finding the Perimeter of Composite Figures
This lesson will review what a composite figure is and how to find the perimeter of a composite figure. Grade 7 Common Core Topics/Standards
Brian McLogan
Learn how to 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...
Flipping Physics
Defining Pi for Physics
Pi is defined as the ratio of the circumference of a circle to its diameter. A frisbee is used to show the definition of pi. The units for pi, radians, are discussed. The conversion factor between revolutions, degrees, and radians is...
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...
Harvard University
Reciting pi to celebrate Pi Day at Harvard
Pi, the ratio of a circle’s circumference to its diameter, has fascinated mathematicians and scientists for centuries. The number, which repeats infinitely and never falls into a repeating pattern, is used in formulae throughout the...