Illustration of pattern showing steps to make a barn. The barn is a composite figure made up of a triangular…

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

An illustration of finding an intersection of a cone and cylinder by either cutting the vertex of the…

An illustration of finding an intersection of a cone and cylinder by either cutting the vertex of the…

Illustration used to compare the surfaces of a cylinder and a sphere.

Illustration of a right circular cylinder with a smaller cylinder removed from the center and placed…

An exercise problem in creating a development or rolled out surface of a cylinder in a 4" by 5" drawing…

Illustration of the development of a cylinder. The cylinder is covered with paper (a) and then rolled…

Illustration of a thin hollow cylinder. It resembles a washer and is often referred to as a disc.

Illustration of a narrow right circular cylinder (with the height much smaller than the diameter) resting…

Illustration of a plane passing through a cylinder. Every section of a cylinder made by a plane passing…