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Classifying a Triangle as Acute, Right or Obtuse
Author:
Ms. Vu
,
Keith Hatfield
Using Pythagorean's Theorem to Find out if triangles are acute, obtuse, or right
GeoGebra
New Resources
Play C3 E3 G3 C4_C4
Slope of a Straight Line: Run and Rise
Angles and Intersecting Lines: Quick Investigation
Ellipse, Hyperbola and Circle as Envelopes
Ellipse as Envelope - Correspondence Method
Discover Resources
Unit 10 test - Problems 3 and 4
พื้นผิวสามมิติ
Ham4a
Circle and Dodecagon
Other Conditions for Triangle Similarity: IM Geo.3.10
Discover Topics
Constructions
Cuboid
Surface
Planes
Straight Lines