   A shape formed by two rays sharing a     common endpoint; contains two rays     and a vertex        vertex—point commo...
   Acute angle: An angle whose measure    is greater than zero degrees and less    than 90 degreesWhich angles are not ac...
   Right angle: Angle that measures 90    degreesWhich angle is a right angle?                          41               ...
   Obtuse angle: One angle measures    greater than 90 degrees and less than    180 degreesWhich angle is an obtuse angle...
   Straight angle: A line that goes infinitely    in both directions and measures 180    degreesWhich is not a straight a...
   Equilateral triangle: A triangle with three    congruent (equal) sides and three equal    angles                      ...
   Isosceles triangle: A triangle with at least    two congruent (equal) sides
   Right triangle: Has only one right angle    (90 degrees)     This box indicates a right    angle or a 90-degree angle.
   Scalene triangle: A triangle that has no    congruent (equal) sides
   Name each type of triangle                  Right                4                          2                         ...
   Interior angles: An interior angle (or    internal angle) is an angle formed by    two sides of a simple polygon that ...
   You measure angles with a protractor.             Notice there are two scales. Be careful which 0 you start at.       ...
ToBePresentedTue
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ToBePresentedTue

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Transcript of "ToBePresentedTue"

  1. 1.  A shape formed by two rays sharing a common endpoint; contains two rays and a vertex vertex—point common to two rays of a triangle or two sides of a polygon ray ray—has one endpoint and goes infinitely in one directionvertex ray
  2. 2.  Acute angle: An angle whose measure is greater than zero degrees and less than 90 degreesWhich angles are not acute? 41 3 2 5
  3. 3.  Right angle: Angle that measures 90 degreesWhich angle is a right angle? 41 3 2 5
  4. 4.  Obtuse angle: One angle measures greater than 90 degrees and less than 180 degreesWhich angle is an obtuse angle? 41 3 2 5
  5. 5.  Straight angle: A line that goes infinitely in both directions and measures 180 degreesWhich is not a straight angle? 2 1 This is a ray. It only goes in one direction.
  6. 6.  Equilateral triangle: A triangle with three congruent (equal) sides and three equal angles These marks indicate equality.
  7. 7.  Isosceles triangle: A triangle with at least two congruent (equal) sides
  8. 8.  Right triangle: Has only one right angle (90 degrees) This box indicates a right angle or a 90-degree angle.
  9. 9.  Scalene triangle: A triangle that has no congruent (equal) sides
  10. 10.  Name each type of triangle Right 4 2 Scalene 1 3 Equilateral Isosceles
  11. 11.  Interior angles: An interior angle (or internal angle) is an angle formed by two sides of a simple polygon that share an endpoint Interior angles of a triangle always equal 180 degrees.
  12. 12.  You measure angles with a protractor. Notice there are two scales. Be careful which 0 you start at. 900This Thispoint is 0 point is 0. This point goes at the vertex of the angle
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