Chapter 6 – Lines and Angles

6. It is given that angle XYZ = 64° and XY is produced to point P. Draw a figure from the given information. If ray YQ bisects angle ZYP, find angle XYQ and reflex angle QYP. 6. It is given that angle XYZ = 64° and XY is produced to point P. Draw a figure [...]

5. In Fig. 6.17, POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray lying between rays OP and OR. Prove that angle ROS = ½ (angle QOS – angle POS). 5. In Fig. 6.17 POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray [...]

4. In Fig. 6.16, if x+y = w+z, then prove that AOB is a line. 4. In Fig. 6.16 if x+y = w+z then prove that AOB is a line. October 15, 2020 Category: Chapter 6 - Lines and Angles , Maths , NCERT Class 9 ,

3. In Fig. 6.15, angle PQR = angle PRQ, then prove that angle PQS = angle PRT. 3. In Fig. 6.15 angle PQR = angle PRQ then prove that angle PQS = angle PRT. October 15, 2020 Category: Chapter 6 - Lines and Angles , Maths , NCERT Class 9 ,

2. In Fig. 6.14, lines XY and MN intersect at O. If angle POY = 90° and a : b = 2 : 3, find c. 2. In Fig. 6.14 find c. lines XY and MN intersect at O. If angle POY = 90° and a : b = 2 : 3 October 15, 2020 [...]

1. In Fig. 6.13, lines AB and CD intersect at O. If angle AOC + angle BOE = 70° and angle BOD = 40°, find angle BOE and reflex angle COE. 1. In Fig. 6.13 find angle BOE and reflex angle COE. lines AB and CD intersect at O. If angle AOC + angle BOE [...]