The circumference of a circle is the distance around that circle. Take a look at this tutorial to discover the formulas for the circumference of a circle. [4:22]

Identifies and labels basic parts of a circle: center, diameter, radius, and circumference. This video also appears in the Geometry: Circles strand. [2:01]

Visual understanding of how centripetal acceleration relates to velocity and radius

This video tutorial demonstrates how to find the area of a circle. The lesson includes detailed examples.

Determine the area of a circle with the given formula.

Students watch a video lesson that demonstrates how to find the total surface area of a cone. The tutorial includes detailed examples. [2:49]

This video lesson demonstrates how to work backwards and use the volume of a cylinder to find an unknown measure such as the radius or height. Students can check their understanding with an assessment. [8:24]

Explore the parts of a circle then test your knowledge with a quiz.

Slant height is defined by using pyramids and cones in this video lesson. Assessment given to check for understanding. [5:00]

This video lesson demonstrates how to find the slant height of a right cone. Students can check their understanding with an assessment. [6:18]

This video lesson demonstrates how to use the Pythagorean Theorem to find the slant height of pyramid.

This video tutorial demonstrates how to calculate the volume and surface area of a sphere. The lesson includes four videos with detailed examples using the formulas for volume and surface area. [Video tutorial lengths total 17:16]

This video lesson shows examples of how to solve for the surface area of a hemisphere as well as checks understanding with an assessment. [4:05]

This lesson will define the terms center, diameter, radius, chord, circumference, and pi. Students can watch a video tutorial and then take an online quiz.

This video resource demonstrates how to find the volume of a cone. It includes two detailed examples with pictures. [4:00]

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.

Parts of a circle are defined in this lesson. Take a quiz to assess learning.

Take a look at this tutorial to learn about the irrational number pi. [4:41]

Take a look at this tutorial to learn about circles and see the different parts of a circle. [3:54]

Gain a basic understanding of what P is by watching this easy to understand video tutorial. Additional resources are available as part of a paid subscription service. [7:58]

Understanding the relationship between the radius, diameter, and circumference of a circle.

In this video student learn formal definition of a circle including tangent and secant lines, diameters, radii, major and minor arcs.

Video tutorial uses examples to introduce circles. [6:39]

This QuickTime movie provides an opportunity to learn about the vocabulary of a circle. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.