Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Sangaku - 3 circles and line
Author:
John Golden
Topic:
Circle
Sangaku are the lovely sacred geometry puzzles found in Japan. One of the simplest is this arrangement. The puzzle is, given the red and blue radii, can you find the purple?
GeoGebra
New Resources
van Aubel's Theorem
Angles and Intersecting Lines: Quick Investigation
Pelecoid
Simplifying Radicals: Geometric Thin Slice
Parallel or Not? (V2)
Discover Resources
בעיות קיצון
Simplify Radicals
segi6
Matching Fractions, Decimals, and Percents
直角三角尺
Discover Topics
Frequency Distribution
Logic
Sphere
Combinatorics
General Quadrilateral