Contains a question pertaining to finding the area of a circle.

An investigative approach is given to exploring finding the area of a circle.

[Free Registration/Login may be required to access all resource tools.] Find the radius or diameter of a circle given its area.

This video lesson demonstrates how to work backward and use the volume of a cylinder to find an unknown value such as the radius or height. Students can check their understanding with an assessment. [4:41]

Worksheets provide practice with finding the area or circumference of a circle and answer keys are provided. You can even create your own worksheet or flashcards.

Find the circumference of a circle when given either the radius or diameter.Find the radius or diameter of a circle when given the circumference.Students receive immediate feedback and have the opportunity to try questions repeatedly,...

Describes what a chord is and shows a diagram and shows how to find areas using integral calculus.

Practice finding the circumference of a circle.

The student will find the area of polygons and circles. Then, the student will use probablity to solve real-world problems.

Here are four problems about the area of a regular polygon. Start by finding the area of a hexagon inscribed in a circle of radius 10, and end by proving that as the number of sides of the polygon increases, the area of the polygon...

Use this circle calculator to find the area, circumference, radius, or diameter of a circle. Given any one variable A, C, r or d of a circle you can calculate the other three unknowns.

[Free Registration/Login Required] This flipchart has information and practice regarding finding area and circumference of circles.

Find a picture of a right circular cylinder here with the formulas for volume, total surface area, and lateral surface area. Site by MathWords.com.

Based off of the hit television show NUMB3RS, this lesson has students explore the relationship between a circle's area and it's radius. This is framed in the context of a scene in where a pile of ice is melting into an increasingly...

[Free Registration/Login Required] Students learn what surface area is on geometric figures, and find volume, lengths, and areas of figures.

Practice problems finding radius and diameter of a circle.

Determine the value of a given fraction represented as a point on a number line. Then find a fraction whose value is the given fraction using an arrow on the number line as a guide.

This interactive exercise focuses on working with the radius of various circles to find the circumference and area as well as challenging you to find the distance a square wheel travels around the track.

Practice finding the radius and diameter of a circle using both vocabulary and visuals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.

This online calculator will find the area, circumference, and radii of an annulus. With any 2 known variables, you can calculate the other 5 unknowns.

This is a very interesting site about polygons. The site begins by distinguishing between shapes whose sides intersect and polygons whose sides do not overlap. After this short introduction, you will find information regarding area and...

Worksheets provide practice with finding the area or circumference of a circle and answer keys are provided. You can even create your own activity or flashcards.