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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
Road Runner (beep, beep)
探究由平行線和截線所成的角
Shade a spheric triangle with "surface".
Chaotic behaviour
Roman Numerals Bingo
Discover Resources
תרגיל 4
Energy Level Diagrams
Complex Angle and Modulus
ลำดับเลขคณิต
Fig3-b
Discover Topics
Ellipse
Prism
Exponential Functions
Subtraction
Geometric Distribution