PSEB 6th Class Maths Solutions Chapter 9 Understanding Elementary Shapes Ex 9.3

Punjab State Board PSEB 6th Class Maths Book Solutions Chapter 9 Understanding Elementary Shapes Ex 9.3 Textbook Exercise Questions and Answers.

PSEB Solutions for Class 6 Maths Chapter 9 Understanding Elementary Shapes Ex 9.3

1. Identify the shape having perpendicular lines:
PSEB 6th Class Maths Solutions Chapter 9 Understanding Elementary Shapes Ex 9.3 1
Solution:
(ii), (iii), (v).

PSEB 6th Class Maths Solutions Chapter 9 Understanding Elementary Shapes Ex 9.3

2. Identify the examples having perpendicular lines:

Question (i)
(i) Lines of railway track.
(ii) Adjacent edges of a table.
(iii) Line segment forming letter ‘L’.
Solution:
(ii) Adjacent edges of a table.
(iii) Line segment forming letter ‘L’.

3. Let \(\overrightarrow{\mathbf{AB}}\) be perpendicular to \(\overrightarrow{\mathbf{PQ}}\) and they intersect at O. What is the measure of \(\angle \mathbf{AOP}\)?
Solution:
PSEB 6th Class Maths Solutions Chapter 9 Understanding Elementary Shapes Ex 9.3 2
\(\angle \mathbf{AOP}\) = 90°, because AB ⊥ PQ.

PSEB 6th Class Maths Solutions Chapter 9 Understanding Elementary Shapes Ex 9.3

4. Line m is perpendicular to line l in the given figure. Each point on the line l is marked at equal intervals. Study the diagram and state true or false.
PSEB 6th Class Maths Solutions Chapter 9 Understanding Elementary Shapes Ex 9.3 3

Question (i)
Line m is ⊥ bisector of line segment AI.
Solution:
True

Question (ii)
CE = EG
Solution:
True

PSEB 6th Class Maths Solutions Chapter 9 Understanding Elementary Shapes Ex 9.3

Question (iii)
DF = 2DE.
Solution:
True.

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