Curated Video
How to Find the Radius of a Circle from the Area
In this math video we will learn how to find the radius of a circle from the area of a circle. We will be provided with the area of a circle in terms of pi and asked the measurement of the radius. We will review and use the formula for...
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
Circles: Diameter, Radius & Area | 7.G.B.4
In this math video we are talking circles: diameter, radius & area. We will draw a picture to represent the information given and use the picture to solve the problem. This is a two part problem where we are asked to find the radius and...
Curated Video
Volume of a Cone Using Diameter
In this video, the teacher explains how to find the volume of a cone using the formula 1/3 * π * r^2 * h. They walk through the process step-by-step and provide helpful tips for identifying the values needed for the equation. Grade 8...
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
Master Finding the area and circumference of a circle and shaded regions
Master Finding the area and circumference of a circle and shaded regions
Brian McLogan
Finding the circumference and area of a circle
👉 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 area of a circle
👉 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...
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
Areas Related To Circle - Part 2
This Video Explains the formula related to Area, Circumferences, arc, sector of a circle
Khan Academy
Area of a Circle, Perimeter, Area, and Volume, Geometry
This production, the second installment in a series of circles, demonstrates the process of finding the area of a circle. It is effective as an introductory tool. However, it needs to explain the reasoning behind the formula because that...
Curated OER
How Do You Find the Lateral and Surface Areas of a Cone?
The lateral surface area of a cone. Hmmm, what does that mean? Oh, it means the part you see if the cone was sitting on a flat surface, so it does not include the base. But if you want to include the base then it would be finding the...
Curated OER
What is the Formula for the Volume of a Cone?
All you need are a few values to find the the volume of a cone! Watch an informative math video that guides learners through the formula needed, as well as the relationship between the cone's volume and the volume of other...
Curated OER
How Do You Find the Volume of a Cylinder?
What is the formula to find the volume of a cylinder? Here's the formula - volume equals base times height, and the base of a cylinder is base equals pi times radius squared. If the is a given value for radius, and a given value for...
Curated OER
How Do You Find the Area of a Circle if You Know the Radius?
There are basically two things you need to know to find the area of a circle. First, you need to use the correct formula. Second, you have to know the value of the radius. If you know these two things then all you have to do is plug the...
Khan Academy
Khan Academy: Geometry: Ca Geometry: Circle Area Chords Tangent
Demonstrates solutions to problems #71-75 of California Geometry released state test questions. Problems address Pythagorean theorem, 45-45-90 triangles, 30-60-90 triangles, circumscribed polygons, area, chord length, tangents to circles...
Virtual Nerd
Virtual Nerd: What Is the Formula for the Volume of a Cone?
Tutorial explains the formula for the volume of a cone and shows how to use it in an example. [5:04]
Virtual Nerd
Virtual Nerd: What Is the Formula for the Volume of a Cylinder?
Watch this tutorial to learn about the formula for the volume of a cylinder which is the same as the formula for the area of a circle. [5:33]
Sophia Learning
Sophia: Calculating the Area of a Circle
This video tutorial demonstrates how to find the area of a circle. The lesson includes detailed examples.
Sophia Learning
Sophia: Calculating the Area of a Circle
Determine the area of a circle with the given formula.
Sophia Learning
Sophia: Sector Area of a Circle
This video lesson demonstrates how to find the radius and area of a circle using the area of a sector and a central angle measurement. Students can check their understanding with an assessment.
Khan Academy
Khan Academy: Circumference and Area of Circles: Area of a Circle
This video will show you how to solve problems dealing with the area of a circle.
Loyola University Chicago
Math Flix: Area of a Circle Using the Formula
This QuickTime movie provides an opportunity to learn how to use the formula to find the area of a circle. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Area of a Circle
This QuickTime movie provides an opportunity to learn about how to find the formula for the area of a circle. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.