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The angle in a semi-circle is a right angle
Author:
John Tranter
Topic:
Circle
,
Geometry
Drag the points arount the circle. See how the angle marked is always a right angle.
GeoGebra
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畫三角形
bewijs stelling van Pythagoras
Colors for GeoGebra
Intercepts in 3D
Untitled
Discover Resources
UCSS Secondary Math III Unit 4B Lesson 3
Start, 45 degree angle
Construct Hyperbolic Geodesic
TPACK
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Intersection
Pyramid
Isosceles Triangles
Plane Figures or Shapes
Natural Numbers