Geoboard

Geoboard:
Buttons:
0=0 Insert new rubber band
T Erase rubber band
Col Change rubber band color
A Calculate area

Drag vertices and edges.
Drag all mesh touching thumbtacks.

Zoom mesh with 'pinch zoom'.


Menu:
Square or isometric mesh.

Practice:
Calculate area contained inside the rubber band (only in square mesh).
Pick's Theorem:
A = I + B/2 -1

A = Area
I = Inner dots.
B = Border dots.

Convex, concave polygons, positive or negative areas:
Triangles
Rectangles
Squares
Tilted rectangles
Tilted squares
Tilted triangles
Farey Sunburst
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What's New

name: 1.0.1 v.2 Update to sdk29 Android 10
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Additional Information

Eligible for Family Library
Eligible if bought after 7/2/2016. Learn More
Updated
October 4, 2020
Size
1.9M
Installs
100+
Current Version
1.0.1
Requires Android
4.0 and up
Content Rating
Everyone
Permissions
Offered By
nummolt
Developer
Maurici Carbó C/ Sant Antoni Maria Claret, 324 Barcelona 08041 SPAIN
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