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Proving a Triangle is Acute, Right or Obtuse
Author:
Chris F Hansen
,
Keith Hatfield
Using Pythagorean's Theorem to Find out if triangles are acute, obtuse, or right
GeoGebra
New Resources
alg2_05_05_01_applet_exp_flvs
Poorly Drawn Parallelograms
Droste effect
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Exploring the Derivative of an Exponential Function
Discover Resources
What is the midpoint of a line segment?
Elliptical Cone Beam and Plane Intersect at Circle
day 48
Mr Downes' Original Slides- pending
ಸಮರೂಪ ತ್ರಿಭುಜಗಳ ರಚನೆ
Discover Topics
Fractal Geometry
Power Functions
Curve Sketching
Tree Diagrams
Vectors