Mathematics
Grade-4-
Easy

Question

Mateo says a ray is straight and goes on forever in two directions. His statement is incorrect. 
 
One of the following should Mateo replace "a ray" with to make the statement correct. 

  1. line  
  2. point
  3. angle  
  4.  line segment 

hintHint:

A line is a collection of points on a plane that follows a straight path and the ends keep expanding indefinitely in the opposite directions.

The correct answer is: line


    GIVEN-
    Incorrect statement i.e. 'A ray is straight and goes on forever in two directions'.
    TO FIND-
    Word to replace from the given incorrect statement to make it correct.
    SOLUTION-
    We know that a ray has one end closed and the other expands infinitely. Hence, the given statement is incorrect.
    Also, an angle is the intersection of 2 rays. Hence, option c is eliminated.
    A line segment has both the end closed that is definite and hence, option d is also eliminated.
    A line refers to a collection of points in straight path where both the ends keep expanding in the opposite directions.
    Hence, option 'a' i.e. 'line' is the correct answer.

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