Are you looking for DAV Maths Solutions for class 8 then you are in right place, we have discussed the solution of the Secondary Mathematics book which is followed in all DAV School. Solutions are given below with proper Explanation please bookmark our website for further update !! All the Best !!

**Chapter 11 Understanding Quadrilaterals Worksheet 2**

**1. PQRS is a trapezium with PQ || SR. if L P = 30°, L Q = 50°, find L R and L S. **

**Answer:**

**2. ABCD is a quadrilateral with L A = 80°, L B = 40°, L C = 140°, L D = 100°. **

**(i) Is ABCD a trapezium? **

**(ii) Is ABCD a parallelogram? Justify your answer. **

**Answer:**

**3. One of the angles of a parallelogram is 75°. Find the measures of the remaining angles of the parallelogram. **

**Answer:**

**4. Two adjacent angles of a parallelogram are in the ratio 1 : 5. Find all the angles of the parallelogram.**

**Answer:**

**5. An exterior angle of a parallelogram is 110°. Find the angles of the parallelogram. **

**Answer:**

**6. Two adjacent sides of a parallelogram are in the ratio 3 : 8 and its perimeter is 110 cm. Find the sides of the parallelogram.**

**Answer:**

**7. One side of a parallelogram is 3/4 times its adjacent side. If the perimeter of the parallelogram is 70 cm, find the sides of the parallelogram.**

**Answer:**

**8. ABCD is a parallelogram whose diagonals intersect each other at right angles. If the length of the diagonals is 6 cm and 8 cm, find the lengths of all the sides of the parallelogram. **

**Answer:**

**9. In figure 11.19, one pair of adjacent sides of a parallelogram is in the ratio 3 : 4. If one of its angles, L A is a right angle and diagonal BD = 10 cm, find the **

**(i) lengths of the sides of the parallelogram. **

**(ii) perimeter of the parallelogram.**

**Answer:**

**10.ABCD is a quadrilateral in which AB = CD and AD = BC . Show that it is a parallelogram. [Hint: Draw one of the diagonals.]**

**Answer:**

- 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