Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
Sign in
Search
Google Classroom
Google Classroom
GeoGebra
GeoGebra Classroom
GeoGebra
Home
Resources
Profile
Classroom
App Downloads
Sum of Interior Angles of a Polygon
Author:
現代中學數學 Modern Secondary Mathematics
Topic:
Angles
,
Plane Figures or Shapes
,
Polygons
Investigate the sum of interior angles of a polygon by observing the number of triangles the polygon can be divided into. (for use with P.4.10 and P.4.11 of Book 1B)
GeoGebra
New Resources
Viviani's Curve
z`]]
bewijs stelling van Pythagoras
အခြေခံ data အခေါ်အဝေါ်များ
Publish app "Public" test
Discover Resources
Fraction Addition
Negative Slope Final
การลบจำนวนเต็ม
Alternate Interior Angles: IM 8.1.14
Comparing Relationships with Equations: IM 7.2.8
Discover Topics
Diagrams
Sequences and Series
Congruence
Multiplication
Vectors 2D (Two-Dimensional)