Circles Help : Videos | Worksheets | Word Problems

Many students find circles difficult. At TuLyn, we have hundreds of free circles video tutorials, printable circles worksheets, and circles word problems to help you better understand circles and get better grades.
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Circles

Circles are simple shapes of Euclidean geometry. A circle consists of those points in a plane which are at a constant distance, called the radius, from a fixed point, called the center.

A chord of a circle is a line segment whose both endpoints lie on the circle. A diameter is a chord passing through the center. The length of a diameter is twice the radius. A diameter is the largest chord in a circle.

Circles are simple closed curves which divide the plane into an interior and an exterior. The circumference of a circle is the perimeter of the circle, and the interior of the circle is called a disk. An arc is any connected part of a circle.

A circle is a special ellipse in which the two foci are coincident. Circles are conic sections attained when a right circular cone is intersected with a plane perpendicular to the axis of the cone.

Many students find circles difficult. They feel overwhelmed with circles homework, tests and projects. And it is not always easy to find circles tutor who is both good and affordable. Now finding circles help is easy. For your circles homework, circles tests, circles projects, and circles tutoring needs, TuLyn is a one-stop solution. You can master hundreds of math topics by using TuLyn.

At TuLyn, we have over 2000 math video tutorial clips including circles videos, circles practice word problems, circles questions and answers, and circles worksheets.

Our circles videos replace text-based tutorials and give you better step-by-step explanations of circles. Watch each video repeatedly until you understand how to approach circles problems and how to solve them.
  • Hundreds of video tutorials on circles make it easy for you to better understand the concept.
  • Hundreds of word problems on circles give you all the practice you need.
  • Hundreds of printable worksheets on circles let you practice what you have learned by watching the video tutorials.
How to do better on circles: TuLyn makes circles easy.

Top Circles Worksheets

circles, curves, plane figures, radius, shapes, circumference, .

Finding Equation Of A Circle By Completing The Square 2 Video Clip

Finding Equation Of A Circle By Completing The Square 2
Video Clip Length: 6 minutes 5 seconds
Video Clip Views: 3967

circle equation, circles, completing the square, curves, equations, plane figures, quadratic equations, shapes, solving equations, solving quadratic equations

Finding The Center And Radius Of A Circle By Completing The Square Video Clip

Finding The Center And Radius Of A Circle By Completing The Square
Video Clip Length: 5 minutes 29 seconds
Video Clip Views: 2240

center, circles, completing the square, curves, equations, plane figures, quadratic equations, radius, shapes, solving equations, solving quadratic equations

Finding The Equation Of A Circle Given Diameter Video Clip

Finding The Equation Of A Circle Given Diameter
Video Clip Length: 6 minutes 57 seconds
Video Clip Views: 1748

circles, curves, diameter, equations, plane figures, shapes

Finding Equation Of A Circle Video Clip

Finding Equation Of A Circle
Video Clip Length: 2 minutes 14 seconds
Video Clip Views: 1185

circle equation, circles, curves, equations, plane figures, shapes

Finding Equation Of A Circle By Completing The Square Video Clip

Finding Equation Of A Circle By Completing The Square
Video Clip Length: 5 minutes 42 seconds
Video Clip Views: 1046

circle equation, circles, completing the square, curves, equations, plane figures, quadratic equations, shapes, solving equations, solving quadratic equations

Finding Equation Of A Circle By Completing The Square 3 Video Clip

Finding Equation Of A Circle By Completing The Square 3
Video Clip Length: 3 minutes 29 seconds
Video Clip Views: 772

circle equation, circles, completing the square, curves, equations, plane figures, quadratic equations, shapes, solving equations, solving quadratic equations

Finding Equation Of A Circle 3 Video Clip

Finding Equation Of A Circle 3
Video Clip Length: 2 minutes 29 seconds
Video Clip Views: 657

circle equation, circles, curves, equations, plane figures, shapes

Finding Equation Of A Circle 2 Video Clip

Finding Equation Of A Circle 2
Video Clip Length: 2 minutes 13 seconds
Video Clip Views: 615

circle equation, circles, curves, equations, plane figures, shapes

Finding Equation Of A Circle 4 Video Clip

Finding Equation Of A Circle 4
Video Clip Length: 2 minutes 3 seconds
Video Clip Views: 602

circle equation, circles, curves, equations, plane figures, shapes

Finding The Equation Of A Circle Given Diameter 2 Video Clip

Finding The Equation Of A Circle Given Diameter 2
Video Clip Length: 6 minutes 58 seconds
Video Clip Views: 541

circles, curves, diameter, equations, plane figures, shapes

Top Circles Word Problems

  • A birthday present is packaged in a tube (#1683)
    A birthday present is packaged in a tube... ...uch paper is needed to wrap the present?
    area, circles, circumference, curves, cylinders, plane figures, shapes, solid figures, surface area
  • A circle with radius 5 (#261)
    A circle with radius 5 has its center at... ...sects the circle. find the intersections
    circle equation, circles, curves, equations, plane figures, shapes
  • The volume of the soda can (#1671)
    The volume of the soda can is fixed at 4... ...2 cm, 3 cm, 4 cm, 5 cm, 6 cm, 7 cm, 8cm.
    area, circles, curves, cylinders, plane figures, shapes, solid figures, surface area, volume
  • Sarah had an idea (#234)
    Sarah had an idea, what would happen if... ...lf ball is placed inside the basketball?
    circle equation, circles, curves, equations, plane figures, shapes
  • Two satellites are orbiting earth (#250)
    Two satellites are orbiting earth. The p... ...ond satellite travel than the first one?
    circle equation, circles, curves, equations, plane figures, shapes

See All Circles Word Problems

Homework Help Questions

  • What is the circumference and area if the radius of a circle is 23cm?
  • What is the radius?
  • Area = 28 in. sq.
    Diamiter = ?
  • What is the circumference of a circle with a diameter of 18cm?

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Radius

Hundreds of video clips, worksheets, and word problems on radius.

Diameter

Hundreds of video clips, worksheets, and word problems on diameter.

Circumference

Hundreds of video clips, worksheets, and word problems on circumference.

Circle Equation

Hundreds of video clips, worksheets, and word problems on circle equation.

Area of Circles

Hundreds of video clips, worksheets, and word problems on area of circles.

Plane Figures

Watch video clips on plane figures, print plane figures worksheets, practice plane figures word problems.

Shapes

Watch video clips on shapes, print shapes worksheets, practice shapes word problems.

Curves

Watch video clips on curves, print curves worksheets, practice curves word problems.

Circles Books

Sir Cumference and the Dragon of Pi (A Math Adventure)
How Round Is Your Circle?: Where Engineering and Mathematics Meet
A Decade of the Berkeley Math Circle: The American Experience (Msri Mathematical Circles Library) (v. 1)
Vicious Circles and Other Savage Shapes (Murderous Maths)
Key to Geometry: Circles (Key to Geometry, 2) (Bk. 2)
Key to Geometry: Perpendiculars and Parallels Chords and Tangents Circles Book 7 (Key to Geometry, 7)

by Susan Finkel
Circle Time Poetry Math: Delightful Poems With Activities That Help Young Children Build Phonemic Awareness, Oral Language, and Early Math Skills (Teaching Resources)
If You Were a Circle (Math Fun)
Circle Time and Practice Student Book Grade 2 (California Math)

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Many students find circles difficult. At TuLyn, we have hundreds of free circles video tutorials, printable circles worksheets, and circles word problems to help you better understand circles and get better grades.