Conical Bifrustum

Illustration of a conical bifrustum created by three parallel planes of circles with the middle plane…

Circle

Illustration showing a circle formed by the intersection of a plane perpendicular to the axis of the…

Conic Section Showing A Circle

Illustration showing the definition of a circle as a conic section. The section of a right circular…

Conic Section Showing A Circle

An illustration showing the intersection of a plane and a cone. The cone is intersected by a plane parallel…

Comparative Volumes Of A Cone And Cylinder

Illustration used to compare the volumes of a cone and a cylinder by emptying sand from the cone into…

Cone Cut By Plane

Illustration of a right circular cone that has been cut by a plane parallel to the base. The lower part…

Cone Cut By Plane

Illustration of a right circular cone that has been cut by a plane parallel to the base. The top section…

Lateral Area of Cone of Revolution

Illustration of a cone of revolution used to show that the lateral area is equal to half the product…

Cone Seeds

Seeds falling from a cone

Development Exercise of Cone

Development and top completion exercise problem of the cone by dividing the base into equal parts and…

Development of a Cone

Pattern that can be used to make a cone. Development of a cone.

Development Of Cone

Illustration of the development of a cone. When the cone covered in paper (figure a) is rolled out on…

Development Of Cone

Illustration of the development of a cone along a stretchout described with the radius OB.

Development Of Cone

Illustration of the development of a cone.

Double Cone

Illustration of a double cone.

Frustum of a Cone

Illustration of a frustum of a cone.

Frustum of Cone

Frustum of a cone.

Frustum of Cone

Frustum of a cone.

Frustum of A Cone

Illustration of a frustum of a right circular cone with hidden edges shown. When a cone is cut by a…

Frustum of A Cone

Illustration of a frustum of a right circular cone. When a cone is cut by a plane parallel to the base,…

Frustum of Cone to Find Lateral Area

"The lateral area of a frustum of a cone of revolution is equal to half the sum of the circumferences…

Frustum of Cone to Find Volume

"The volume of a frustum of a circular cone is equivalent to the sum of the volumes of three cones whose…

Intersection Of A Plane And Cone

Illustration showing the intersection of a plane with a cone.

Intersection Of A Plane And Cone

Illustration showing the intersection of a plane with a cone. The solid is shown in perspective and…

Invariable Cone

Possible forms of the invariable cone by means of the intersections with a concentric spherical surface.

Oblique Cone

Illustration of an oblique cone.

Plan and Elevation of a Cone

Plan and elevation of a cone.

Intersection of a Cone and a Plane

Illustration of the intersection of a cone and a plane.

Plane Passing Through A Cone

Illustration showing a cone cut by a plane that is along the axis of symmetry.

Plane Parallel to Base, Passing Through a Cone

Illustration of a plane parallel to the base passing through a cone (section made is a circle).

Plane Parallel to Base, Passing Through a Cone

Illustration of a plane parallel to the base passing through a cone (section made is a circle).

Plane Passing Through the Vertex of a Cone

Illustration of a plane passing through the vertex of a cone (section made is a triangle).

Plane Passing Through the Vertex of a Cone

Illustration of a plane passing through the vertex of a cone (section made is a triangle).

Projection Of Cone

Illustration of the projection of a cone that is rightly inclined.

Projection Of Cone

Illustration of the projection of a cone that is obliquely inclined.

Pyramid Circumscribed About a Cone

Illustration of a pyramid circumscribed about a cone.

Cone With Regular Polygon Inscribed and Circumscribed About

Illustration of a pyramid and with a regular polygon inscribed in and circumscribed about a cone. "If…

Pyramid Inscribed in a Cone

Illustration of a pyramid inscribed in a cone.

Cone of Revolution

Illustration of a cone of revolution.

Cone of Revolution

Illustration of a cone of revolution.

Right Circular Cone

Illustration of a right circular cone with the diameter of the base equal to the height of the cone.

Right Circular Cone

Illustration of a right circular cone with the diameter of the base greater than the height of the cone.

Right Circular Cone on Side

Illustration of a right circular cone resting on an element such that the vertex is on the bottom and…

Cone Rolled On Plane

Illustration showing a cone rolled out on a plane.

Comparative Volumes Of A Cone, Sphere, And Cylinder

Illustration used to compare the volumes of a cone, a sphere, and a cylinder.

Tangent Plane to a Cone

Illustration of a plane tangent to a cone which contains one element of the cone but does not cut the…

Volume of Cone

Illustration of a cone with a polygon inscribed used to show that the volume of a circular cone is equal…

Cones and Rods of Retina

A. A cone and two rods from the human retina (modified from Max Schultze); B. Outer part of rod separated…

2 Similar Right Circular Cones

Illustration of 2 right circular cones that are similar.

Development Exercise of Flange and Hood Cones

An exercise problem to complete the top and develop, stretched out, image of the flange and hood cones…

Right and Oblique Cones

Illustration of a right circular cone and an oblique cone.

Conic Motion

Instantaneous axis of two cones, each with angular velocity

"One end of the cup-adjusting hub, with inward bearings. The cones are formed of one piece with the…

Intersecting Lines Of A Double Cone

An illustration showing a model of intersecting lines that that are formed by a double cone.

Ellipse

Illustration showing an ellipse formed by the intersection of the surface of a cone with a plane neither…

Conic Section Ellipse

Illustration of a cone cut by a plane that is not parallel to the base and does not intersect the base.

Conic Section Showing Ellipse

Illustration showing the definition of an ellipse as a conic section. The plane cuts the cone obliquely.

Conic Section Showing An Ellipse

Illustration showing the definition of an ellipse as a conic section. The section of a right circular…

Conic Section Showing An Ellipse

An illustration showing the intersection of a plane and a cone. The cone is intersected by a plane neither…

Frustum

If a cone be cut in a similar manner, the lower part is called the frustum of the cone.