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Angles in Polygons
Author:
Katelynn Hanna
,
Tim Brzezinski
Topic:
Angles
,
Polygons
GeoGebra
What do you notice about the angles in a triangle? What do they all add to?
New Resources
Calendar Puzzle
Proving Triangles Congruent (2): Multi-Step Transformations
Constructing the Perpendicular Line Through a Point on the Line
Mean Value Theorem
探究長方形對角線上的正方形數目
Discover Resources
Identifying gradient and intercept of lines
Characteristics of a Parallelogram
SSA Reference Document
Seashell Surface
THE WONDERLAND OF Calculus
Discover Topics
Piecewise Functions
Variance
Dilation
Algebra
Quadratic Equations