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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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