NCERT Class 8

140. The ratio between exterior angle and interior angle of a regular polygon is 1:5. Find the number of sides of the polygon. 140. The ratio between exterior angle and interior angle of a regular polygon is 1:5. Find the number of sides of the polygon. July 18, 2021 Category: Chapter 3 - Understanding Quadrilaterals [...]

139. The point of intersection of diagonals of a quadrilateral divides one diagonal in the ratio 1:2. Can it be a parallelogram? Why or why not? 139. The point of intersection of diagonals of a quadrilateral divides one diagonal in the ratio 1:2. Can it be a parallelogram? Why or why not? July 17, 2021 [...]

138. The adjacent angles of a parallelogram are (2x – 4)° and (3x – 1)°. Find the measures of all angles of the parallelogram. 138. The adjacent angles of a parallelogram are (2x – 4)° and (3x – 1)°. Find the measures of all angles of the parallelogram. July 17, 2021 Category: Chapter 3 - [...]

137. A photo frame is in the shape of a quadrilateral. With one diagonal longer than the other. Is it a rectangle? Why or why not? 137. A photo frame is in the shape of a quadrilateral. With one diagonal longer than the other. Is it a rectangle? Why or why not? July 17, 2021 [...]

136. PQRS is a rectangle. The perpendicular ST from S on PR divides ∠S in the ratio 2:3. Find ∠TPQ. 136. PQRS is a rectangle. The perpendicular ST from S on PR divides ∠S in the ratio 2:3. Find ∠TPQ. July 17, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry [...]

135. In a rectangle ABCD, AB = 25 cm and BC = 15. In what ratio does the bisector of ∠C divide AB? 135. In a rectangle ABCD AB = 25 cm and BC = 15. In what ratio does the bisector of ∠C divide AB? July 17, 2021 Category: Chapter 3 - Understanding Quadrilaterals [...]

134. Of the four quadrilaterals— square, rectangle, rhombus and trapezium— one is somewhat different from the others because of its design. Find it and give justification. 134. Of the four quadrilaterals— square rectangle rhombus and trapezium— one is somewhat different from the others because of its design. Find it and give justification. July 17, 2021 [...]

133. Two adjacent angles of a parallelogram are in the ratio 1:3. Find its angles. 133. Two adjacent angles of a parallelogram are in the ratio 1:3. Find its angles. July 17, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

132. The diagonals of a rhombus are 8 cm and 15 cm. Find its side. 132. The diagonals of a rhombus are 8 cm and 15 cm. Find its side. July 17, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,

131. A rhombus can be constructed uniquely if both diagonals are given. 131. A rhombus can be constructed uniquely if both diagonals are given. July 17, 2021 Category: Chapter 3 - Understanding Quadrilaterals , Chapter 4 - Practical Geometry , Maths , NCERT Class 8 ,