NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 2: Geometry - Problems and Solutions

Question 48

Read the labels first. Then list all points. Finally, trace every straight path between two labeled points to list the line segments.

(i) Triangle-like figure

1. Look at the labels you can see: A, B, C.
2. Write the points in one place: A, B, C.
3. Trace the sides with your finger:
   • From A to B → segment AB
   • From B to C → segment BC
   • From C to A → segment CA
4. List the segments: AB, BC, CA.

(ii) Four-point closed figure

1. Labels are A, B, C, D.
2. Write the points: A, B, C, D.
3. Move along the sides in order:
   • A to B → AB
   • B to C → BC
   • C to D → CD
   • D to A → DA
4. List the segments: AB, BC, CD, DA.

(iii) Five-point figure with one extra diagonal

1. Labels are A, B, C, D, E.
2. Write the points: A, B, C, D, E.
3. Trace all visible straight connections:
   • A to B → AB
   • B to C → BC
   • C to D → CD
   • D to E → DE
   • E to A → EA
   • Extra inside line A to D → AD
4. List the segments: AB, BC, CD, DE, EA, AD.

(iv) Six points with three distinct straight lines

1. Labels are A, B, C, D, E, F.
2. Write the points: A, B, C, D, E, F.
3. Identify the straight lines present:
   • One slanted line passes through A, E, B. The visible segment between A and B is written as AB (points A–E–B lie on the same line).
   • One vertical line joins E and F → EF.
   • One horizontal line joins C and D → CD.
4. List the segments: AB, EF, CD.

Conclusion: For each sub-figure, list all labeled points first. Then include every straight connection between two labeled points as a line segment. If multiple labeled points lie on one straight line, name the segment by its end points.