 Composite Figure of Quadrilateral Frustum With Half of a Cylinder Attached

An illustration of a composite figure made up of a quadrilateral frustum and half of a cylinder. Frustum… Right Circular Cone

An illustration of a right circular cone with labels on slant height and altitude. Volume of Cone

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

Labeled shapes showing various measures of form. Altitude and Diagonal of a Parallelogram

Illustration of a parallelogram with altitude and diagonal drawn. Area of a Parallelogram

Illustration of parallelogram AEFC drawn two different ways with base b and altitude/height a used to… Parallelogram With Dimensions

Parallelogram with dimensions labeled. Parallelogram can be used to calculate area. Parallelogram With Dimensions

Parallelogram with dimensions labeled. Parallelogram can be used to calculate area. Parallelogram and Rectangle Relationship

Parallelogram with dimensions drawn to show relationship to the area of a rectangle. Volume of Parallelopiped

Diagram used to prove the theorem: "The volume of a any parallelopiped is equal to the product of its… Pentagon With Triangular Sections For Area

Pentagon with dimensions labeled. Pentagon can be used to calculate area by calculating individual triangles… Volume of Prismatoid

Diagram used to prove the theorem: "The volume of a prismatoid is equal to the product of one-sixth… Pyramid Frustum With Hexagonal Bases and 6 inch and 10 inch Sides

An illustration of a pyramid with the top cut off by a plane parallel to the base. The remaining part… Pyramid Frustum With Triangular Bases and Height of 27 inches

An illustration of a pyramid with the top cut off by a plane parallel to the base. The remaining part… Pyramid Frustum With Triangular Bases and Height of 27 inches

An illustration of a pyramid with the top cut off by a plane parallel to the base. The remaining part… Pyramid With Hexagonal Base

An illustration of a pyramid with a hexagonal base. Pentagonal Pyramid For Volume

Illustration of pentagonal pyramid used to show that the volume is equal to one third of the product… Regular Pyramid With Square Base

An illustration of a regular pyramid with a square base and labels on lateral edge, slant height, altitude,… Pyramid With Triangular Base

An illustration of a pyramid with a triangular base. Triangular Pyramid For Volume

Illustration of triangular pyramid used to show that the volume is equal to one third of the product… Right Triangle Inscribed In A Semicircle

An illustration of a right triangle inscribed in a semicircle. Area of a Trapezoid

Illustration of a trapezoid with altitude a and bases b and b' used to demonstrate that the area is… Trapezoid With Dimensions

Trapezoid with dimensions labeled. Trapezoid can be used to calculate area. Triangle With Height and Median

Triangle with height/altitude h and median m. Acute Triangle

An illustration of an acute triangle with the height/altitude labeled h. Triangle With Altitude and Isosceles Triangles Within

Illustration showing a triangle with an altitude CD passing through the middle of EF. Triangles AEC… Altitudes Drawn from Base Angles of Isosceles Triangles

Illustration to show altitudes drawn from base angles of an isosceles triangle. Altitudes In A Triangle

Illustration used to show "The altitudes of a triangle are concurrent." Area of Triangle

Parallelogram illustration to show where the area of a triangle formula comes from. Area of a Triangle

Illustration of triangle ABC with altitude a and base b to be used to demonstrate that the area is 1/2ba. Triangle With Dimensions

Triangle with dimensions labeled. Triangle can be used to calculate area. Triangle With Dimensions

Triangle with dimensions labeled. Triangle can be used to calculate area. Equilateral Triangle

Sketch of equilateral triangle with bisectors, medians, and altitudes. Obtuse Triangle

Obtuse triangle with altitude and one median drawn. Obtuse Triangle With Height Drawn

Triangle with sides a,b,c and height/altitude h. Obtuse Triangle

An illustration of an obtuse triangle with the height/altitude labeled h. Orthocenter of Triangle

Illustration to show altitudes in a triangle. It is known as the orthocenter. Parts Of A Triangle

Illustration used to show the various parts of a triangle: sides, angles, medians, altitudes, bisectors,… Perpendiculars Dropped Any Point in the Equilateral Triangle

Illustration to show the perpendiculars dropped from any point in the equilateral triangle to the three… 3 Isosceles Triangles Wit Equal Bases

Illustration of three isosceles triangles with the same base AC but varying heights (as B gets farther… Similar Triangles With Altitudes Drawn

Illustration that shows two similar triangles with altitudes drawn. Volume of Triangular Prism

Diagram used to prove the theorem: "The volume of a triangular prism is equal to the product of its… Volume of Triangular Pyramid

Diagram used to prove the theorem: "The volume of a triangular pyramid is equal to one third of a triangular… Equivalent Triangular Pyramids

Diagram used to prove the theorem: "Two triangular pyramids having equivalent bases and equal altitudes…