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angles in a triangle (matching 1)
Author:
Arthur Lee
Topic:
Angles
GeoGebra
Hide the angle measurements and drag the vertices. Can you distinguish the angles when the measurements are shown again?
New Resources
Open Middle Logarithm Exercises (1)
Cube of a Binomial - Volume Model
Road Runner (beep, beep)
Shade a spheric triangle with "surface".
Divisible Polynomials - Remainder and Factor Theorems
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Sine Law Fishing Rod
Explore Points and Lines
Reflection in two intersecting lines
Angle between Two Planes 兩平面之間的交角(面面角)(2)
project.1o
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Variance
Differential Equation
Secant Line or Secant
Confidence Interval
Correlation