 Barometer Measuring Pressure of a Partially Evacuated Vessel

"The degree to which the air has been exhausted from a closed vessel in which there is a partial vacuum… Circle With Center o and Radius r with point P

Circle modeling the earth. O is the center of the earth, r the radius of the earth, and h the height… Segments of Circle and Arch

Illustration of circle with segments labeled and arch. Right Circular Cone With 2 ft. Height and 1 ft. Radius

An illustration of a right circular cone with la radius of 1 foot and a height of 2 feet. Illustration… Right Circular Cylinder

Right circular cylinder with diameter of 8 and height h. Right Circular Cylinder With 1 ft. Radius and 2 ft. height.

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

Illustration used to show how to draw an equilateral triangle when given the altitude. Girl Measuring Heights of Children

An illustration of a girl measuring the heights of a boy and girl. Illumination of a Surface When the Surface is not Perpendicular to the Source

Illustration modeling the illumination on a surface when the surface is not perpendicular to hte rays… Kauri Pine

The Kauri Pine (Agathis australis) is a coniferous tree peculiar to New Zealand, and forming its most… Levelling

Leveling is an operation in which the object is to determine to difference of vertical height between… Measruing height

A man measuring the height of a boy against a wall. 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. Pentagon With Triangular Sections For Area

Pentagon with dimensions labeled. Pentagon can be used to calculate area by calculating individual triangles… Similar Decagonal Prisms

Illustration of 2 similar right decagonal prisms. Both have regular decagons for bases and rectangular… Similar Heptagonal/Septagonal Prisms

Illustration of 2 similar right heptagonal/septagonal prisms. Both have regular heptagons/septagons… Similar Hexagonal Prisms

Illustration of 2 similar right hexagonal prisms. The height of the prism and length of the side of… Similar Hexagonal Prisms

Illustration of 2 similar right hexagonal prisms. The height of the prism and length of the side of… Path of Projectile

Illustration modeling the path of a projectile. 2 Right Pentagonal Pyramids

Illustration of 2 right pentagonal pyramids with hidden edges shown. The pentagonal bases are congruent,… 2 Right Rectangular Pyramids

Illustration of 2 right rectangular pyramids with hidden edges shown. The rectangular bases are congruent,… Similar Pentagonal Pyramids

Illustration of 2 similar right pentagonal pyramids with hidden edges shown. The height of the pyramid… Rectangle With Dimensions

Rectangle with dimensions labeled. Rectangle can be used to calculate area. 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. Using Proportions To Find Heights of Trees

Triangle diagram for measuring heights of trees using proportions. Using Proportions To Find Heights of Trees

Triangle diagram for measuring heights of trees using proportions Triangle With Height and Median

Triangle with height/altitude h and median m. Triangle ABC With Height h

Triangle ABC with sides a,b,c labeled and angles A,B,C labeled and h labeled as height. Triangle with Church

An illustration of a triangle comprised of a church and two lines. This illustration can be used to… Triangle with Lighthouse

An illustration of a three triangles created with boats and a lighthouse. This is an example illustration… Triangle with Tower

An illustration of a triangle comprised of a tower and two lines. This illustration can be used to determine… Triangle with Tree

An illustration of a triangle comprised of a tree and two lines. This is an example of a problem that… Acute Triangle

An illustration of an acute triangle with the height/altitude labeled h. 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. 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. Obtuse Triangle ABC With Height h

Triangle ABC with sides a,b,c labeled and angles A,B,C labeled and h labeled as height. Similar Triangles for Height of Smokestack

Illustration of similar triangles used to find height of smokestack. Similar Triangles With Altitudes Drawn

Illustration that shows two similar triangles with altitudes drawn. Water Level in Multiple Connected Vessels

"When any liquid is placed in one or more of several vessels communicating with each other, it will…