Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
F1 triangle angle sum
Author:
Ngan Hok Hei
通過移動三角形的頂點﹐同學可以發現 不論是鈍角三角形﹐銳角三角形還是任何類形三角形, 三角形的內角總和仍然是180度。
GeoGebra
New Resources
Woven
Rings of circles
How to Assign Color Objects Inside the List? II
bearing HK
Slipper
Discover Resources
exp(-x)
Segment division2
Recta
การลบจำนวนเต็ม
Locating Decimals on a Number Line (1)
Discover Topics
Histogram
Cylinder
Dilation
Bar Chart or Bar Graph
Plane Figures or Shapes