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:
Solution:
(ii), (iii), (v).
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:
\(\angle \mathbf{AOP}\) = 90°, because AB ⊥ PQ.
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.
Question (i)
Line m is ⊥ bisector of line segment AI.
Solution:
True
Question (ii)
CE = EG
Solution:
True
Question (iii)
DF = 2DE.
Solution:
True.