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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 Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-426.png)
Answer:
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-433.png)
2. In the quadrilateral ABCD shown in the figure 10.10….. justify your answer
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-427.png)
Answer:
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-434.png)
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 Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-435.png)
4. In the figure 10.11, l || m || n. Find x and y.
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-428.png)
Answer:
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-442.png)
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 Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-437.png)
6. In the figure 10.12, show that AB || CD…..
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-429.png)
Answer:
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-438.png)
7. In the figure 10.13, A= 75 and CE || AB…….
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-430.png)
Answer:
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-439.png)
8. In the figure 10.14, l || m. Find x, y, and z.
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-431.png)
Answer:
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-440.png)
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 Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-432.png)
Answer:
![Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics](https://ncertbookspdf.com/wp-content/uploads/2021/09/image-441.png)
- DAV class 8 Maths Book Solutions
- Chapter 1 | Square and Square Roots | Class-8 DAV Secondary Mathematics
- Chapter 2 | Cube and Cube Roots | Class-8 DAV Secondary Mathematics
- Chapter 3 | Exponents And Radicals | Class-8 DAV Secondary Mathematics
- Chapter 4 | Direct And Inverse Variation | Class-8 DAV Secondary Mathematics
- Chapter 5 | Profit, Loss And Discount | Class-8 DAV Secondary Mathematics
- Chapter 6 | Compound Interest | Class-8 DAV Secondary Mathematics
- Chapter 7 | Algebraic Identities | Class-8 DAV Secondary Mathematics
- Chapter 8 | Polynomials | Class-8 DAV Secondary Mathematics
- Chapter 9 | Linear Equations In One Variable | Class-8 DAV Secondary Mathematics
- Chapter 10 | Parallel Lines | Class-8 DAV Secondary Mathematics
- Chapter 11 | Understanding Quadrilaterals | Class-8 DAV Secondary Mathematics
- Chapter 12 | Construction Of Quadrilaterals | Class-8 DAV Secondary Mathematics
- Chapter 13 | Introduction To Graphs | Class-8 DAV Secondary Mathematics
- Chapter 14 | Mensuration | Class-8 DAV Secondary Mathematics
- Chapter 15 | Statistics and Probability | Class-8 DAV Secondary Mathematics
- Chapter 16 | Rotational Symmetry | Class-8 DAV Secondary Mathematics