Basic Geometrical Ideas (2-D)

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  • Q1

    In the given figure, interior points of the angle are

    Marks:1
    Answer:

    A, P and T

    Explanation:

    A, P and T are the interior points of the given angle.

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  • Q2

    In the given figure, the number of line segments is

    Marks:1
    Answer:

    4.

    Explanation:

    A line segment is a portion of a line whose end points are fixed. So, here there are four line segments.

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  • Q3

    In the given figure, lines l, m and n intersect at point O. Can we draw any more lines through O? If yes, then the number of  lines can pass through a point is 

             

    Marks:1
    Answer:

    infinite.

    Explanation:
    Infinite number of lines can pass through a point.
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  • Q4

    In the figure, the shortest route from A to B is

    Marks:1
    Answer:

    AB

    Explanation:

    The shortest route is the shortest join of point A to B (including A and B) shown here is a line segment.

    It is denoted by AB or BA. The points A and B are called the end points of the segment.

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  • Q5

    In the given figure, points A, O and B are called  

    Marks:1
    Answer:

    collinear.

    Explanation:
    Collinear points (points, lie on the same line are called collinear points)
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