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Plane Figures 3rd Grade Mrs. Salgado.

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Presentation on theme: "Plane Figures 3rd Grade Mrs. Salgado."— Presentation transcript:

1 Plane Figures 3rd Grade Mrs. Salgado

2 right angle An angle that forms a square corner Example:                     

3 angle A figure formed by two rays or line segments that share an endpoint. Example:                       

4 acute angle An angle that has a measure less than a right angle. Example:                                           

5 obtuse angle An angle that has a measure greater than a right angle. Example:                                                                                      

6 polygon A closed plane figure with straight sides that are
line segments. Examples:                                                                                            

7 quadrilateral A polygon with four sides Examples:                                           

8 equilateral triangle A triangle that has three equal sides. Example:                                                            

9 Isosceles triangle  A triangle that has two equal sides. Example:                                     

10 right triangle A triangle with one right angle Example:                                                 

11 scalene triangle A triangle in which no sides are equal Example:                                                                   

12 line segment A part of a line that includes two points, called endpoints, and all the points between them. Example:                                                                   

13 radius A line segment with one endpoint at the center of a circle and the other endpoint on the circle. Example:                                                                                                   


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