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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
Art and Rotational Symmetry
Polar Reciprocation
Chaotic behaviour
Woven
Oriented Angles and the Unit Circle
Discover Resources
Simpson parallel lines
Angle At Centre of Circle
POLIGONOS
Level Curves from 3D Surfaces (different layout)
Lesson 1.3: #1
Discover Topics
Confidence Interval
Rhombus
Secant Line or Secant
Tangent Line or Tangent
Congruence