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)

New Resources

Building Algebra Tile Models for Trinomials
Deriving the Arc Length Formula
繪畫垂直線
Rotating Custom Polygons Around an Axis
Midpoint Theorem Questions: Mild

Discover Resources

Alternate Interior
Modul 5-SaprinceMajore-SDCokroaminotoGirian
Daisy
Activity 1.1
Polarization másolata

Discover Topics

Circle
Trigonometry
Sequences and Series
Unit Circle
Pythagoras or Pythagorean Theorem