Chapter 3 – Understanding Quadrilaterals

201. Find the measure of each angle of a regular polygon of 20 sides? 201. Find the measure of each angle of a regular polygon of 20 sides? July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

185. In the following figure, AB||DC and AD = BC. Find the value of x. 185. In the following figure AB||DC and AD = BC. Find the value of x. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

181. In parallelogram ABCD, the angle bisector of ∠A bisects BC. Will angle bisector of B also bisect AD? Give reason. 181. In parallelogram ABCD the angle bisector of ∠A bisects BC. Will angle bisector of B also bisect AD? Give reason. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - [...]

180. ABCD is a parallelogram. Points P and Q are taken on the sides AB and AD respectively and the parallelogram PRQA is formed. If ∠C = 45°, find ∠R. 180. ABCD is a parallelogram. Points P and Q are taken on the sides AB and AD respectively and the parallelogram PRQA is formed. If [...]

179. ABCD is a rhombus such that the perpendicular bisector of AB passes through D. Find the angles of the rhombus. 179. ABCD is a rhombus such that the perpendicular bisector of AB passes through D. Find the angles of the rhombus. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - [...]

178. The angle between the two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 45°. Find the angles of the parallelogram. 178. The angle between the two altitudes of a parallelogram through the vertex of an obtuse angle of the parallelogram is 45°. Find the angles of the [...]

177. A diagonal of a parallelogram bisects an angle. Will it also bisect the other angle? Give reason. 177. A diagonal of a parallelogram bisects an angle. Will it also bisect the other angle? Give reason. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT [...]

176. ABCD is a parallelogram. The bisector of angle A intersects CD at X and bisector of angle C intersects AB at Y. Is AXCY a parallelogram? Give reason. 176. ABCD is a parallelogram. The bisector of angle A intersects CD at X and bisector of angle C intersects AB at Y. Is AXCY a [...]

175. A line l is parallel to line m and a transversal p interesects them at X, Y respectively. Bisectors of interior angles at X and Y interesct at P and Q. Is PXQY a rectangle? Given reason. 175. A line l is parallel to line m and a transversal p interesects them at X [...]

174. ABCD is a trapezium such that AB||CD, ∠A : ∠D = 2 :1, ∠B : ∠C = 7 : 5. Find the angles of the trapezium. ∠A : ∠D = 2 :1 ∠B : ∠C = 7 : 5. Find the angles of the trapezium. 174. ABCD is a trapezium such that AB||CD July [...]