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Proving a Triangle is Acute, Right or Obtuse
Author:
Keith Hatfield
Using Pythagorean's Theorem to Find out if triangles are acute, obtuse, or right
GeoGebra
New Resources
Periodic Functions
Shade a spheric triangle with "surface".
Divisible Polynomials - Remainder and Factor Theorems
Rings of circles
Road Runner (beep, beep)
Discover Resources
PlanetaryOrbitModel
Graphing Sine and Cosine with Basic Transformations
Drone Strike
Hexagonal Prism
Net of the cube
Discover Topics
Congruence
Parametric Curves
Boxplot
Logarithm
Interest Calculation