Curated Video
Perimeters of Shapes
A video entitled "Perimeters of Shapes" uses vertex coordinates to find the perimeters of shapes.
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
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...
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 - 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
How to Rewrite Equations and Solve Literal Equations for One Variable: A Step-by-Step Guide
Welcome to Math Defined! In this video, you will learn how to rewrite equations and solve literal equations for one variable. Rewriting equations is simply changing the form of an equation without changing its solution. This can be...
Curated OER
How Do You Find the Radius of a Circle if You Know the Circumference?
So you know the circumference of a circle but not the radius. This tutorial shows you two different formulas commonly associated with circles, determines which formula to use, then puts the formula to work. You'll have no problem...
Curated OER
Circumference of Circles
In this comprehensive video Duane demonstrates how to use a formula to determine the circumference of a circle. This clip is good because it shows how to determine circumference when the diameter is knows and when only the radius is known.
CK-12 Foundation
Circumference: Lesson
It all depends what is given. The section of a large geometry playlist discusses the two formulas for finding the circumference of a circle. With the aid of the formulas, the presenter demonstrates finding the distance around circles in...
Math Antics
Circles, Circumference and Area
Put pi to work. The video provides the formulas for the circumference and area of circles. Using the formulas, the presenter shows how to distinguish the two using units. The discussion leads to the second formula for finding the...
Curated OER
How Do You Find the Circumference of a Circle if You Know the Diameter?
There are two formulas that can be used to find the circumference of a circle. Choose the appropriate formula depending on the given value in the problem. After selecting the correct formula, solve the problem using 3.14 as an estimation...
Curated OER
What is Circumference?
There are actually two formulas to find the circumference of a circle. One formula is based on knowing the diameter of the circle, and the other is based on knowing the radius of the circle. The instructor illustrates both formulas. She...
Curated OER
Circumference by Math Busters
The Math Buster goes out and demonstrates a real life example of calculating circumference by walking around the edge of a circle, and compares it to walking from the edge of the circle to the center point. It is a visual demonstration,...
Corbett Maths
Circumference
Circumference and diameter differ by just a factor of pi. A short video shows viewers how to calculate circumference given the diameter. It also gives an example of determining the diameter given the circumference.
PBS
Formulas for Circle Area and Circumference: Simple as Pie
Calculating circumference is as easy as pi times diameter. A short video explains how to measure pie tins using the diameter. It also describes the relationship between diameter and circumference. Using the knowledge, scholars consider...
Corbett Maths
Angles at the Centre and Circumference – Proof
Scholars ponder the proof relating the center angle and circumference using a demonstrative video. Additional worksheets and textbook practice helps them demonstrate their intellect.
Curated OER
STEMbite: Circumference Mystery
Middle school mathematicians might be able to follow as Mr. Vander Heuvel explores the relationship between circumference and diameter. The mystery comes in when he uncovers that for every increased increment of one unit in diameter, the...
Mathed Up!
Area and Circumference of Circles
Don't go around and around, help your class determine amounts around and in a circle with a video that connects circumference to the perimeter or the distance around an object. The resource includes 14 questions dealing with circles and...
Krista King Math
Circumference of a Circle
Apple, cherry, pecan, or circumference: so many different uses for pi! Delve into the calculations relating to the circumference of a circle. The instructor applies the circumference formula to three different types of problems.
Mathispower4u
Circumference, Volume of a Cone, Pythagorean Theorem (L1.5)
There's a formula for that. An educational video shows viewers how to apply geometry formulas to solve problems. It covers the formulas for the circumference of a circle, volume of a cone, and the Pythagorean Theorem.
Curated OER
Circles: Radius, Diameter and Circumference
Fascinating discussion regarding the origin of Pi accompanies a detailed explanation of how to find the circumference of a circle. Since this is the first installment in a series on circles, the concept of circumference is separated into...
Khan Academy
SAT Prep: Test 7 Section 5 Part 2
Complicated word problems and expressions are no match for Sal, and after watching this series, they will be no match for your students either! Sal deftly handles problems involving algebraic equations, averages, and circumference.
Curated OER
What is a Cylinder?
Follow along as the instructor explains what makes a solid shape a cylinder. Yes, learning the meaning of these terms: cylinder, base, curved side, curved face, congruent bases, solid, three dimensional, area, circumference, parallel,...
Curated OER
What is a Cylinder?
Follow along as the instructor explains what makes a solid shape a cylinder. Yes, learning the meaning of these terms: cylinder, base, curved side, curved face, congruent bases, solid, three dimensional, area, circumference, parallel,...
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