10278
EXPLORE
LATEST
ABOUT
AUTHORING AREA
PARTICIPATE
Your browser does not support JavaScript or it may be disabled!
Gardner's Problem
A red metal sheet has the shape of a two-foot square with semicircles on opposite sides. If a disk with a diameter of two feet is removed from the center, what is the area of the remaining metal?
Contributed by:
Izidor Hafner
THINGS TO TRY
Slider Zoom
Gamepad Controls
Automatic Animation
SNAPSHOTS
DETAILS
Reference
[1] M. Gardner,
The Colossal Book of Short Puzzles and Problems
, (D. Richards, ed.), New York: W. W. Norton & Company, 2006 p. 109.
RELATED LINKS
Three Dissections by Leonardo da Vinci
(
Wolfram Demonstrations Project
)
Dissecting a Disk with Six Segments Deleted to a Hexagon
(
Wolfram Demonstrations Project
)
Jug-to-Square Dissection
(
Wolfram Demonstrations Project
)
PERMANENT CITATION
Izidor Hafner
"
Gardner's Problem
"
http://demonstrations.wolfram.com/GardnersProblem/
Wolfram Demonstrations Project
Published: May 23, 2014
Share:
Embed Interactive Demonstration
New!
Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site.
More details »
Download Demonstration as CDF »
Download Author Code »
(preview »)
Files require
Wolfram
CDF Player
or
Mathematica
.
Related Demonstrations
More by Author
The Ellipse Problem of Steinhaus
Izidor Hafner
Boltyanski's Cake Problem
Mikhail Skopenkov
Tightly Packed Squares
Ed Pegg Jr
Twist-Hinged Dissection of a Hexagram to Two Hexagons
Izidor Hafner
Problems on Circles XIII: Common Area of Two Circles
Jaime Rangel-Mondragon
Stepwise Trisection of a Square
Michael Schreiber
Ratio of Areas in a Square
Abraham Gadalla
Area of a Disk
Soledad Mª Sáez Martínez and Félix Martínez de la Rosa
The Areas of a Parallelogram and a Rectangle with the Same Base and Height Are Equal
Norm Prokup
Area of a Triangle
Norm Prokup
Related Topics
Area
Plane Geometry
Puzzles
Browse all topics
Note: To run this Demonstration you need Mathematica 7+ or the free Mathematica Player 7EX
Download or upgrade to
Mathematica Player 7EX
I already have
Mathematica Player
or
Mathematica 7+