Chapter 3 – Understanding Quadrilaterals

173. Diagonals of a quadrilateral are perpendicular to each other. Is such a quadrilateral always a rhombus? Give a figure to justify your answer 173. Diagonals of a quadrilateral are perpendicular to each other. Is such a quadrilateral always a rhombus? Give a figure to justify your answer July 18, 2021 Category: Chapter 3 - [...]

172. ABCD is a parallelogram. Find the value of x, y and z. 172. ABCD is a parallelogram. Find the value of x y and z. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

171. In a quadrilateral HOPE, PS and ES are bisectors of ∠P and ∠E respectively. Give reason. 171. In a quadrilateral HOPE PS and ES are bisectors of ∠P and ∠E respectively. Give reason. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 [...]

170. Three angles of a quadrilateral are equal. Fourth angle is of measure 120°. What is the measure of equal angles? 170. Three angles of a quadrilateral are equal. Fourth angle is of measure 120°. What is the measure of equal angles? July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - [...]

169. In the figure, find the value of x. 169. In the figure find the value of x. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

168. Find the measure of an are exterior angle of a regular pentagon and an exterior angle of a regular decagon. What is the ratio between these two angles? 168. Find the measure of an are exterior angle of a regular pentagon and an exterior angle of a regular decagon. What is the ratio between [...]

167. Find the measure of each angle of a regular octagon. 167. Find the measure of each angle of a regular octagon. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

166. Both the pairs of opposite angles of a quadrilateral are equal and supplementary. Find the measure of each angle. 166. Both the pairs of opposite angles of a quadrilateral are equal and supplementary. Find the measure of each angle. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry [...]

165. In a quadrilateral PQRS, ∠P = 50°, ∠Q = 50°, ∠R = 60°. Find ∠S. Is this quadrilateral convex or concave? ∠P = 50° ∠Q = 50° ∠R = 60°. Find ∠S. Is this quadrilateral convex or concave? 165. In a quadrilateral PQRS July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter [...]

164. Two angles of a quadrilateral are each of measure 75° and the other two angles are equal. What is the measure of these two angles? Name the possible figures so formed. 164. Two angles of a quadrilateral are each of measure 75° and the other two angles are equal. What is the measure of [...]