Geoboard
Geoboard Summary
Geoboard is a mobile Android app in Education by nummolt. Released in Jun 2019 (6 years ago). It has about 1.1K+ installs Based on AppGoblin estimates, it reaches roughly 19 monthly active users . Store metadata: updated Jun 26, 2019.
Recent activity: 2.00 installs this week (9.00 over 4 weeks) showing steady growth View trends →
Store info: Last updated on Google Play on Jun 26, 2019 .
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Ratings: 0
Screenshots
App Description
Calculate area contained inside the rubber band.
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