GeoGebra
Sign in
Resources
Favorites
Timeline
People
Groups
GeoGebra
Home
News Feed
Resources
Profile
People
Classroom
App Downloads
Henk Hietbrink
About
Follow
Begrippen in de vestingbouw
Activity
Henk Hietbrink
Vestingbouw in de 16de en 17de eeuw
Book
Henk Hietbrink
Bouw je eigen vesting
Activity
Henk Hietbrink
Simon Stevin: Grontteyckening
Activity
Henk Hietbrink
Vergelijking van vormen van vestingen zoals beschreven in de 17de eeuw
Activity
Henk Hietbrink
Tangensregel
Activity
Henk Hietbrink
Strijklijn en defensielijn
Activity
Henk Hietbrink
Pieter van Schooten: handschrift BPL 1013
Activity
Henk Hietbrink
Adriaan Adriaansz. Metius: Fortificatie ofte stercken-bouwinghe
Activity
Henk Hietbrink
Nikolaus Goldmann: La nouvelle fortification
Activity
Henk Hietbrink
Galasso Alghisi da Carpi : Delle fortificationi libri
Activity
Henk Hietbrink
Andreas Cellarius: Architectura militaris
Activity
Henk Hietbrink
Most important angles in the Celestial Sphere
Activity
Henk Hietbrink
Example C
Activity
Henk Hietbrink
Example B
Activity
Henk Hietbrink
Basic family A
Activity
Henk Hietbrink
Basic family B
Activity
Henk Hietbrink
Basic family F
Activity
Henk Hietbrink
Basic family L
Activity
Henk Hietbrink
Basic family G
Activity
Henk Hietbrink
Thin Red Thread, a mechanical sculpture by Jennifer Townley
Activity
Henk Hietbrink
Muqarnas
Book
Henk Hietbrink
Basic family I
Activity
Henk Hietbrink
Starting assignment young students
Activity
Henk Hietbrink