Floor plan of barn with dimensions labeled. Drawing can be used for area problems.

Cross section of steel beam that can be used to find area of composite figures.

Illustration of circle with 10 inch diameter and square.

Circle with chord AB=2 ft. and radius OA = 3 ft.. Triangle AOC is a right triangle. Angle AOC=half angle…

Illustration of circle with radius of 4000, and triangle with 45 degree angle enclosed.

Illustration of circle with sector and segment used to find area.

Illustration of partial circle with sector and segment used to find area.

Illustration of circle with diameter and segment used to find area.

Illustration of concentric circles used to find area between two circles (ring).

Illustration of three circles enclosed in an equilateral triangle.

"A cord of wood is a solidly built pile of 8 feet long, 4 feet wide and 4 feet high. 1. How many cords,…

A cube (A) has sides of 20 inches in length each, making its solid contents equal 8000 cubic inches.…

In order to fill in the spaces from the three 2000 cubic inch additions, four new additions must be…

This is the final form of the original 20x20x20 inch or 8000 cubic inch cube with the addition of 7625…

Illustration of half of an ellipse used to show that the area of an ellipse is equal to pi times a times…

All triangles formed by a tangent and the asymptotes of an hyperbola are equal in area.

Illustration of an irregular figure. To find area, divide round curved portions in small steps with…

This specification discloses a land leveler comprising a massive rectangular frame including reinforced…

Illustration showing that the area of a parabolic segment made by a chord is two thirds the area of…

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

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

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

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

"...let the area of the piston a be 1 square inch; of b, 40 square inches. According to Pascal's law,…

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

Blueprint of Pier/floor plan of Pier with dimensions labeled. Illustration can be used for finding are…

An illustration of a cross section of a concrete pier for a railway bridge with dimensions labeled.…

Rectangle with dimensions labeled. Rectangle can be used to calculate area.

An illustration of a rectangle with lengths a and b and area ab.

An illustration of composite rectangle with lengths a, b, and c with area ac + bc. This illustration…

An illustration of a ring (circle within circle), with diameters of 3a-7 and 6a+9. Illustration could…

Illustration of ring (small circle in larger concentric circle) with piece cut out.

Illustration of ring (small circle in larger concentric circle) sprung into place.

An 8-inch sphere cut by parallel planes, one 2 inches from center and the other 6 inches from center.…

Diagram used to prove the theorem: "The area of a spherical triangle, expressed in spherical degrees,…

Illustration comparing the fundamental units of measure 1 square yard and 1 square meter.

An illustration of a hollow square (square within square) with outer square having a side of 2s+6 and…

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