Right circular cylinder with a radius of 1 foot and a height/altitude of 2 feet.

A large cylinder containing 2 smaller congruent cylinders. The small cylinders are externally tangent…

A large cylinder containing 3 smaller congruent cylinders. The small cylinders are externally tangent…

A large cylinder containing 4 smaller congruent cylinders. The small cylinders are externally tangent…

A large cylinder containing 7 smaller congruent cylinders. The small cylinders are externally tangent…

An illustration showing how to construct a cyma, or two circle arcs that will tangent themselves, and…

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

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

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

Using C as a center, draw two circles with different diameters. The intersection of the diameter lines…

A development or rolled out image exercise problem of the dome and finding the true shape of the hip,…

When drawing the circle, the compass is turned by the handle with the thumb and forefinger in a clockwise…

Illustration used to draw a an ellipse using string and pins by describing a circles with diameters…

Illustration used to draw a an ellipse with major axis AB and minor axis CD.

Illustration of an ellipse, whose major axis is vertical, inscribed in a circle whose diameter is equal…

Illustration showing an ellipse (and circle) as a section from a cylinder.

Illustration of 16 concentric congruent ellipses that are rotated about the center at equal intervals…

Illustration of 2 concentric ellipses, whose major axes are vertical, inscribed in a circle whose diameter…

Illustration of 2 concentric congruent ellipses that are rotated about the center at 90°. The ellipses…

An illustration of 2 ellipses that have the equal vertical axes, but different horizontal axes. The…

An illustration of 2 ellipses that have the equal vertical axes, but different horizontal axes. The…

An illustration of 3 concentric ellipses that are tangent at the end points of the vertical axes. The…

An illustration of 3 concentric ellipses that are tangent at the end points of the vertical axes, which…

An illustration of 3 concentric ellipses that are tangent at the end points of the vertical axes. The…

An illustration of 4 concentric ellipses that are tangent at the end points of the vertical axes. The…

An illustration of 4 concentric ellipses that are tangent at the end points of the vertical axes. The…

An illustration of 4 concentric ellipses that are tangent at the end points of the vertical axes, which…

Illustration of 4 concentric congruent ellipses that are rotated about the center at equal intervals…

An illustration of 5 concentric ellipses that are tangent at the end points of the vertical axes. The…

An illustration of 5 concentric ellipses that are tangent at the end points of the vertical axes, which…

An illustration of 6 concentric ellipses that are tangent at the end points of the vertical axes. The…

An illustration of 6 concentric ellipses that are tangent at the end points of the vertical axes, which…

Illustration of 8 concentric congruent ellipses that are rotated about the center at equal intervals…

Illustration of concentric ellipses, whose major axes are vertical, inscribed in a circle whose diameter…

Illustration of concentric ellipses, whose major axes are vertical, inscribed in a circle whose diameter…

An illustration showing how to construct an equilateral triangle inscribed in a circle. "With the radius…

An illustration showing how to construct an evolute of a circle. "Given the pitch p, the angle v, and…

A mechanical drawing exercise of a circle with curved wavy lines. The image is drawn by dividing horizontal…

A mechanical drawing exercise of drawing a curved line with circle in the middle. The image is drawn…

A drawing exercise for drawing eight concentric circles by dividing the paper in quarters as shown.…

Mechanical drawing exercise of drawing dotted lined concentric circles. The circles are first drawn…

An inscribed circle pattern exercise for mechanical drawing. The pattern is drawn by dividing the horizontal…

Mechanical drawing exercise for circle with two tangent points on both sides of the circle. The paper…

A mechanical drawing practice problem of shading the sides of the inscribed circles. The darker area…

An exercise to shade small circles with bow pen for mechanical drawing. The paper is first divided into…

An illustration showing a model of a circle with intersecting chords that illustrates the following…

An illustration showing a model of 2 circles with tangent lines, diameters, and radii that illustrates…

An illustration showing a model of 2 circles with tangent lines, diameters, and radii that illustrates…

An illustration showing a model of a circle with an exterior angle formed between a tangent and a secant…

An illustration showing a model of a circle with angles formed between tangents and secants that illustrates…

Illustration of a polar graph/grid that is marked and labeled in 30° increments and units marked…

Illustration of a polar graph/grid that is marked, but not labeled, in 30° increments and units…

Illustration of a polar graph/grid that is a unit circle marked and labeled in 30° increments.

Illustration of a polar graph/grid that is a unit circle marked, but not labeled, in 30° increments.

Illustration of a polar graph/grid that is marked and labeled in 30° increments and units marked…

Illustration of a polar graph/grid that is marked, but not labeled, in 30° increments and units…

Illustration of a polar graph/grid that is marked and labeled in 30° increments and units marked…

Illustration of a polar graph/grid that is marked, but not labeled, in 30° increments and units…