Chapter 3 – Understanding Quadrilaterals

Example 28 : Two adjacent angles of a parallelogram are in the ratio 4:5. Find their measures. Example 28 : Two adjacent angles of a parallelogram are in the ratio 4:5. Find their measures. July 16, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 [...]

Example 27 : Find x in the following figure. Example 27 : Find x in the following figure. July 16, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

Example 26 : Construct a quadrilateral ABCD in which AB = AD = 5cm, BC = CD = 7cm and BD = 6cm. What type of quadrilateral is this? BC = CD = 7cm and BD = 6cm. What type of quadrilateral is this? Example 26 : Construct a quadrilateral ABCD in which AB = [...]

Example 25 : If AM and CN are perpendiculars on the diagonal BD of a parallelogram ABCD, Is ∆AMD ≅ ∆CNB? Give reason. Example 25 : If AM and CN are perpendiculars on the diagonal BD of a parallelogram ABCD Is ∆AMD ≅ ∆CNB? Give reason. July 16, 2021 Category: Chapter 3 - Understanding Quadrilaterals [...]

Example 24 : The sides AB and CD of a quadrilateral ABCD are extended to points P and Q respectively. Is ∠ADQ + ∠CBP = ∠A + ∠C? Give reason. Example 24 : The sides AB and CD of a quadrilateral ABCD are extended to points P and Q respectively. Is ∠ADQ + ∠CBP = [...]

Example 23 : A triangle is not a polygon. Example 23 : A triangle is not a polygon. July 16, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

Example 22 : is a concave polygon. Example 22 : is a concave polygon. July 16, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

Example 21 : is a simple closed curve. Example 21 : is a simple closed curve. July 16, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

Example 20 : For constructing a unique parallelogram lengths of only two sides should be given. Example 20 : For constructing a unique parallelogram lengths of only two sides should be given. July 16, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

Example 19 : Diagonals of a rectangle are perpendicular to each other. Example 19 : Diagonals of a rectangle are perpendicular to each other. July 16, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,