### Draw Arc of Given radius R Tangent to Two Given Lines

"Draw lines parallel to AB and CD at distant R from them. The intersection of these lines will be center…

### Construction Of Arc

Illustration used to show how to "find an arc of a circle having a known radius, which shall be equal…

### Bones of the Arm and Hand

Bones of the arm and hand. Labels: a, large end of ulna; b, radius; c, small end of the ulna; d, carpal…

### Arm and Leg Skeleton

The skeleton of the arm and leg. Labels: H, the humerus; Cd, its articular head which fits into the…

### Arm Bones

"The bones of the arm. a, humerus; b, ulna; c, radius; d, the carpus; e, the fifth metacarpal; f, the…

### Bones of the Arm

Bones of the arm. Labels: A, arm in supination; B, arm in pronation. H, humerus; R, radius; U, ulna.

### Transverse Section Through Arm

Transverse section through the middle of the right forearm, in the position of semipronation.

### Barlow Apparatus

"A current is caused to pass from the mercury through C along the radius of the disc A through the field…

Biceps muscle attached to the radius.

### Vertical Cross Section of Spherical Zones of a Casting

An illustration of a vertical cross section of the spherical zones of a casting with a diameter of 16…

### Construction Of The Center And Radius Of A Circle Tangent To Triangle Sides

An illustration showing how to construct a center and radius of a circle that will tangent the three…

### Circle Parts

A circle with labels for radius, diameter, and circumference. The visual will help to remember what…

### Tangent to Perpendicular Radius Circle Theorem

Illustration used to show that "A tangent to a circle is perpendicular to the radius drawn to the point…

### Circle to Circle Tangents

Equal circles inside and tangent to the outside circle, also tangent to each other

### Circle With 10 inch Diameter and Steel Square

Illustration of circle with 10 inch diameter and square.

### Circle With 36 degree Angles and Radius 1.5 in.

Circle with 36 degree angles marked. This diagram can be used with the following trig problem: Locate…

### Circle With 6 inch Diameter

Illustration of circle with 6 inch diameter.

### Circle With 8 inch Diameter

Illustration of circle with 8 inch diameter.

### Area Of A Circle

An illustration used to show how the area of a circle is calculated. Area is equal to the product of…

### Circle With Center o and Radius r with point P

Circle modeling the earth. O is the center of the earth, r the radius of the earth, and h the height…

### Circle With a Chord of 2 ft. and a Radius of 3 ft.

Circle with chord AB=2 ft. and radius OA = 3 ft.. Triangle AOC is a right triangle. Angle AOC=half angle…

### Chords, Diameters, and Radii of a Circle

Illustration of a circle with diameter AB. Radii are RO, SO, AO, and BO. ED is a chord.

### Chords, Secants, Diameters, and Tangents of a Circle

Illustration of a circle with diameter BC, chord DF, secant MN, and tangent HK.

### Circle With Diameter, Radius, Segment

Illustration showing a circle with a diameter, radius, and segment drawn.

### Circle With Diameter, Radius, Segment, Line

Illustration showing a circle with a diameter, radius, lines, triangle, and segment drawn.

### Circle With Parts

Circle with diameter, radius, arc, chord, and arc.

### Parts of Circle

Illustration of circle with arc, chord, diameter and radius.

### Quadrilateral Inscribed In A Circle

An illustration showing a quadrilateral inscribed in a circle that is tangent to a line.

### Circles With Radius 4000 and Enclosed Triangle

Illustration of circle with radius of 4000, and triangle with 45 degree angle enclosed.

Illustration of a circle with the radius OA drawn and labeled.

Illustration of a circle with radius QR.

### Radius, Diameter, and Chord In A Circle

An illustration showing a circle with radius r, diameter d, and chord c.

### Circle With Diameter and Segment labeled

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

### Triangle Inscribed In A Circle

An illustration showing a triangle with sides b, c, and d inscribed in a circle with radius r.

### Triangle Inscribed In A Circle

An illustration showing a triangle with angles A, C, and D inscribed in a circle which is tangent to…

### Circle With Inscribed Triangle and Radii

Illustration showing a circle with an inscribed triangle and radii.

### Circle With Various Chords

Illustration showing a circle with various chords drawn.

### Circle With Various Chords

Illustration showing a circle with various chords drawn.

### Circle With Various Chords And Tangents

Illustration showing a circle with various chords and tangents drawn.

### Circle With Various Chords And Tangents

Illustration showing a circle with various chords and tangents drawn.

### Circles Enclosed in Equilateral Triangle

Illustration of three circles enclosed in an equilateral triangle.

Illustrations of 2 equal circles with radii drawn.

### Equal Circles With Radii and Chords

Illustrations of 2 equal circles with radii drawn.

### Circles Inside of a Square

Illustration of large circle and square with 4 smaller circles inside.

### Intersecting Circles

Intersecting circles with chords and radii.

### Circular Pipes in Box

Illustration of box filled with pipes.

### 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.

### Curve in Pavement of Road

Illustration of blueprint used by highway engineers to widen the pavement on the inside of the curve…

### Differential Lens

"Differential Lens.—Horizontal divergence may be obtained to any required amount by varying the radius…

### Differential Lens

"Differential Lens.—Horizontal divergence may be obtained to any required amount by varying the radius…

### Differential Lens

"Differential Lens.—Horizontal divergence may be obtained to any required amount by varying the radius…

### Elbow Joint

Right elbow joint, cut through at right angles to the axis of trochlea humeri, from the ulnar side.

### Frontal Section Through Elbow Joint

A view from behind of a frontal section through the right elbow joint.

### Elbow Showing External Ligaments

Left elbow joint, showing posterior and external ligaments.

### Elbow Showing Internal Ligaments

Left elbow joint, showing anterior and internal ligaments.

### Frontal Section Through the Elbow

Frontal section of the elbow, viewed from in front.

### Sagittal Section of the Elbow

Sagittal section of the right elbow, with the arm in pronation.

### Elephant Foot

"Right fore foot of Indian Elephant. U, ulna; R, radius; c, cunelform; l, lunar; sc, scaphold; u, unciform;…

### Corresponding Points in an Ellipse and Circle

Illustration of half of an ellipse. "The ordinates of two corresponding points in an ellipse and its…