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  • Some terms & definitions. Angles, angle pairs, angle measure
      Basic Geometric figures - illustration & 4 questions
      Point(s), a Line, Ray(s), Segment(s), & an angle - interactive & 3 questions
      Types of angles - the 5 classifications
      Animated acute angles
      Animated view of right angles.
      Animated view of obtuse angles.
      Animated view of straight angles.
      Animated view of reflex angles.
      Protractor Practice (Random)
      "Broken" Protractor
      Protractor Practice (Not Random)
      "proof" of the triangle sum theorem
      Sum of the interior angles in a triangle is always _
      Missing angle measure in a triangle
      Sum of the interior angles of a polygon
      Definition of complementary angles
      Missing complementary angle measure
      Supplementary angles - a pair of angles whose sum is always _
      What is the measure of an angle's supplement?
      Vertical angles
      Angles on one side of a line - parts of a straight angle
      Triangle on a line with missing angles measures

Some terms & definitions. Angles, angle pairs, angle measure

Author:
Zawierucha, Duane Habecker
Topic:
Angles, Terms
A series of applets about some terms/definitions. Angle classification, angle measurement with a protractor, angle pair relationships, sum of interior angles. Interior and exterior angles of a triangle

  • Basic Geometric figures - illustration & 4 questions

  • Point(s), a Line, Ray(s), Segment(s), & an angle - interactive & 3 questions

  • Types of angles - the 5 classifications

  • Animated acute angles

  • Animated view of right angles.

  • Animated view of obtuse angles.

  • Animated view of straight angles.

  • Animated view of reflex angles.

  • Protractor Practice (Random)

  • "Broken" Protractor

  • Protractor Practice (Not Random)

  • "proof" of the triangle sum theorem

  • Sum of the interior angles in a triangle is always _

  • Missing angle measure in a triangle

  • Sum of the interior angles of a polygon

  • Definition of complementary angles

  • Missing complementary angle measure

  • Supplementary angles - a pair of angles whose sum is always _

  • What is the measure of an angle's supplement?

  • Vertical angles

  • Angles on one side of a line - parts of a straight angle

  • Triangle on a line with missing angles measures

Next
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