S K Gupta and Anubhuti Gangal Solutions for Exercise 1: Exercise

Which of the following pair of line segments are not parallel, as shown in the figure?

Which of the following does not represent a ray in the given figure?

Which of the following figures is made of line segments only?

Which of the following is not found in the given figure?

The surface of which of the following does not represent a plane?

$A,B$ and $C$ are in the interior of the closed figure given below and $E,F,G$ and $P$ are in its exterior. How many times does each line segment intersect the figure?

$A,B$ and $C$ are in the interior of the closed figure given below and $E,F,G$ and $P$ are in its exterior. What pattern do you discover?

$A,B$ and $C$ are in the interior of the closed figure given below and $E,F,G$ and $P$ are in its exterior. Are $D$ and $H$ in the interior or in the exterior?