The Circles ClipArt gallery offers 161 Illustrations of circles with radii, diameters, chords, arcs, tangents, secants, and inscribed angles. Images also include inscribed, circumscribed, and concentric circles.

Illustration of partial circle with sector and segment used to find area.

Illustration of a circle with a sector. "A sector of a circle is the space included between an arc and…

Illustration of a sector of a circle. A sector is the space between an arc and two radii drawn to the…

Illustration of a sector of a hollow circle. A sector is the space between an arc and two radii drawn…

Illustration of circle with diameter and segment used to find area.

Illustrations of a circle with segment, semicircle, sector, quadrant, and central angles drawn.

Illustration of a circle with a tangent drawn - a straight line perpendicular to a radius at its extremity.

Illustration showing that a circle may be considered as made up of triangles whose bases form the circumference.

Illustration of a circle with two intersecting chords within the circumference. The angle formed is…

Illustration of a circle which illustrates that the tangents to a circle drawn from an external point…

Illustration of a circle with unequal chords, which are unequally distant from the center.

Illustration showing a circle with various chords and tangents drawn.

Illustration showing a circle with various chords and tangents drawn.

Illustration where one leg of a right triangle is the diameter of a circle. The tangent at the point…

Illustration showing that from any point in the circumference of a circle, a chord and a tangent are…

2 congruent circles whose intersection includes a tangent circle with diameter equal to the radii of…

Illustration showing a circle with a radius of 2 in. intersecting a circle with a radius of 3 in..

A large circle containing 2 smaller congruent circles. The small circles are externally tangent to each…

A large circle containing 2 smaller congruent circles. The small circles are externally tangent to each…

A large circle containing 3 smaller congruent circles. The small circles are externally tangent to each…

A large circle containing 3 smaller congruent circles. The small circles are externally tangent to each…

A large circle containing 4 smaller congruent circles. The small circles are externally tangent to each…

A large circle containing 4 smaller congruent circles. The small circles are externally tangent to each…

A sequence of five circles tangent to each other at a point. The radius decreases by one half in each…

A regular hexagon containing 7 congruent circles. The circles are externally tangent to each other and…

A large circle containing 7 smaller congruent circles. The small circles are externally tangent to each…

A large circle containing 7 smaller congruent circles. The small circles are externally tangent to each…

7 congruent circles. 6 of the circles are equally placed about the center circle. The circles are externally…

Illustration showing angles formed by two secants, two tangents, or a tangent and a secant, drawn to…

Illustration of concentric circles used to find area between two circles (ring).

Illustration of three circles enclosed in an equilateral triangle.

Circle divided into equal parts by concentric circles.

Illustration of equal circles to show that two central angles have the same ratio as their intercepted…

An illustration depicting an infinite sequence of tangent circles with the radius converging to zero.…

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