The Circles ClipArt gallery offers 166 Illustrations of circles with radii, diameters, chords, arcs, tangents, secants, and inscribed angles. Images also include inscribed, circumscribed, and concentric circles.

### Circles With Inscribed Angles

Illustration of equal circles to show that an inscribed angle is measured by half the arc intercepted…

### Intersecting Circles

Intersecting circles with chords and radii.

### Intersecting Circles

Illustration of intersecting circles. "If two circles intersect each other, the line joining their centers…

### Intersecting Lines in Circles

Illustration showing various circles and the angles formed by intersecting lines.

### Intersecting Circles With a Common Chord

Illustration of intersecting circles with a common chord.

### Two Intersecting Circles With Lines

Illustration showing 2 intersecting circles with a line drawn through each point of intersection terminated…

### Two Intersecting Circles With Lines

Illustration showing 2 intersecting circles with a lines drawn that form a triangle.

### Circles With Parallels Intercepting Equal Arcs

Illustration of a circle with parallels intercepting equal arcs on a circumference.

### Circular Pipes in Box

Illustration of box filled with pipes.

### Reflected Arcs Of 2 Circles In A Circle

A design created by dividing a circle into 4 equal arcs and creating a reflection of each arc toward…

### Reflected Arcs Of 4 Circles In A Circle

A design created by dividing a circle into 4 equal arcs and creating a reflection of each arc toward…

### Reflected Arcs Of 8 Circles In A Circle

A design created by dividing a circle into 4 equal arcs and creating a reflection of each arc toward…

### Tangent Circles

Illustration of two circles that are tangent to each other, the line of center passing through the point…

### Tangent Circles

Illustration of tangent circles. One circle is said to be tangent to another circle when they touch…

### Tangent Circles With Chords

Illustration showing 2 circles with that touch each other and two lines drawn through the point of contact…

A cissoid curve.

### Construction of Arc When Given the Chord and Height of the Segment

Illustration of of construction of an arc when the chord and height of the segment are given.

### Construction of Radius When Given Only a Part of the Circumference

Illustration of of construction of a radius when given only a part of the circumference.

### Construction of Radius When Given Only a Part of the Circumference

Illustration of of construction of a radius when given only a part of the circumference.

### Design Similar to Yin Yang Symbol

Design made by drawing one large circle and then two circles that are vertically placed and internally…

### Circular Design

Circular design made by rotating circles about a fixed point. The radii of the smaller circles is equal…

### Circular Design

Circular design made by rotating circles about a fixed point. The radii of the smaller circles is equal…

### Circle Equation

To find the equation of a circle whose center is the origin and whose radius is 3 units in length.

### Circle Equation

Finding the equation of a circle with the origin as its center.

### Similar Figures

2 circles that are similar figures

### Gyroscope

Three suspended concentric circles free to move independently of each other at right angles.

### Lines

A circle with many tangent and secant lines passing through it.

### Magic Circle of Circles

The magic circle of circles, first developed by Benjamin Franklin, consists of eight annular rings and…

### Circle With 2 Perpendicular Diameters

Illustration of a circle with center O and diameters AB and CD perpendicular to each other.

### Cross Section of Pipe

Cross section of pipe, 2 concentric circles

### Ring Made of Circles With Diameters 3a-7 and 6a+9

An illustration of a ring (circle within circle), with diameters of 3a-7 and 6a+9. Illustration could…

### Ring Made of Concentric Circles

Illustration of ring (small circle in larger concentric circle).

### Ring With Piece Cut Out

Illustration of ring (small circle in larger concentric circle) with piece cut out.

### Ring Sprung Into Place

Illustration of ring (small circle in larger concentric circle) sprung into place.

### Roman Mosaic Circle Pattern

Roman mosaic pattern of interlocking circles.

### Circle with Secant

A secant is "a line which cuts a figure in any way. Specifically, in trigonometry, a line from the center…

### Circle Sector

An illustration showing a circle sector with radius r, center/central angle v, and length of circle…

### Circle Sector

An illustration showing a circle sector with center/central angle v and polygon angle w.

### Circle Sector

An illustration showing a circle sector with height of segment h and radius r.

### Semicircle

Semicircle with line drawn perpendicular to the diameter.

### Semicircle

Illustration of a semicircle.

### Semicircle With Chords and Radii

Illustration of a semicircle with chords and radii.

The Advance Traffic Control symbol signs includes the Signal Ahead sign. These signs shall be installed…

### Point of Tangency

Illustration of point of tangency (line and circle).

### Point of Tangency

Illustration of radius drawn to point of contact of a tangent.

### Circle Made Up Of Triangles

"A circle may be considered as made up of triangles whose bases form the circumference, and whose altitude…