Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

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Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

Parallel Lines || Unit 10 Worksheet 1

1. In the figure 10.9, l || m || n and p is a transversal………..

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

Answer:

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

2. In the quadrilateral ABCD shown in the figure 10.10….. justify your answer

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

Answer:

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

3. Draw a line-segment AB = 6cm. Mark two points P and Q on it Draw lines perpendicular to AB through P and Q. What can you say about PR and QS? Are these parallel? Justify your answer.

Answer:

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

4. In the figure 10.11, l || m || n. Find x and y.

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

Answer:

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

5. ABCD is a quadrilateral in which all the four angles, are equal. show that AB || CD and AD || BC.

Answer:

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

6. In the figure 10.12, show that AB || CD…..

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

Answer:

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

7. In the figure 10.13, A= 75 and CE || AB…….

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

Answer:

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

8. In the figure 10.14, l || m. Find x, y, and z.

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

Answer:

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

9. In the figure 10.15, show that:

(i) AB || CD

(ii) CD || EF

(iii) AB || EF

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics

Answer:

Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics