en.wikipedia.org/wiki/Frustum

In geometry, a frustum (plural: frusta or frustums) is the portion of a solid that lies
between one ... Cones and pyramids can be viewed as degenerate cases of
frusta, where one of the cutting plane...

www.answers.com/Q/Do_cones_and_prisms_only_have_one_base

Cones and pyramids have only one base, but prisms have multiple bases. ...
Cones and polyhedrons both have only one base? false. 8 people found this
useful.

www.answers.com/Q/Cones_and_prisms_both_have_only_one_base

What shape has only one base? A pyramid (3D)! Some examples: - triangular
base pyramid - square base pyramid - rectangular base pyramid - cone. 10
people ...

www.algebralab.org/lessons/lesson.aspx?file=geometry_3dpyramidcone.xml

Pyramid: A 3-dimensional solid in which the base is a polygon and the sides are
triangles which meet in one point called the vertex. ... Both have a height of h and
radius of r. ... The slant height is s in both diagrams. ... Remember that this is only
true because we are assuming that the triangular sides are congruent; that is, ....

www.engageny.org/file/49801/download/math-g8-m7-topic-d-lesson-19-teacher.docx?token=dgzwWxda

For now we focus on right square pyramids only, that is, pyramids that have a
base that ... A cone is one-third the volume of a cylinder with the same base and
height. ... Both lengths are equal to the radius, , of the circle, which means they
are ...

www.ck12.org/section/Volume-of-Pyramids-and-Cones/

Feb 22, 2012 ... Like pyramids, cones have a base and a point at the top. ... base. They have only
one side, and it is curved. .... Both of them have circular bases.

www.texasgateway.org/resource/using-models-connect-and-understand-volume-formulas

Cones are 3-dimensional figures that, like pyramids, have only one base, but that
base is a ... Recall that a prism and a pyramid both have polygonal bases.

www.mathopenref.com/pyramidvolume.html

The volume enclosed by a pyramid is one third of the base area times the
perpendicular height. ... It turns out that the volume formula works just the same
for these. ... Both the cone and pyramid have the same way of calculating the
volume ...

www.math.washington.edu/nwmi/materials/Cavalieri.pptx.pdf

If every line parallel to these two lines intersects both regions in ... How can one
show the formula for all pyramids? Scaling the ... If two pyramids have bases of
different shape ... Cones count as pyramids in the previous ... This is just not true.

math.stackexchange.com/questions/623/why-is-the-volume-of-a-cone-one-third-of-the-volume-of-a-cylinder

Jul 24, 2010 ... Why is the volume of a cone one third of the volume of a cylinder? ... We just
need the base of the square pyramid to have side length r π .