10900
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
Kakeya Needle Problem
Izidor Hafner and Burut Jurcic Zlobec
Tightly Packed Squares
Ed Pegg Jr
Dissection of a Square and an Isosceles Right Triangle into a Square
Izidor Hafner
Frederickson's Second Dissection of an Octagon to Five Octagons
Izidor Hafner
Lindgren's Symmetrical Decompositions of Regular 2n-Gons
Izidor Hafner
Twist-Hinged Dissection of a Hexagram to Two Hexagons
Izidor Hafner
Rectangles Reasonably Close to a Given Area
Ed Pegg Jr
Problems on Circles XIII: Common Area of Two Circles
Jaime Rangel-Mondragon
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+