NCERT Class 9
1. In Fig. 6.39, sides QP and RQ of ΔPQR are produced to points S and T respectively. If angle SPR = 135° and angle PQT = 110°, find angle PRQ.
15
Oct
1. In Fig. 6.39, sides QP and RQ of ΔPQR are produced to points S and T respectively. If angle SPR = 135° and angle PQT = 110°, find angle PRQ. 1. In Fig. 6.39 find angle PRQ. sides QP and RQ of ΔPQR are produced to points S and T respectively. If angle SPR [...]
6. In Fig. 6.33, PQ and RS are two mirrors placed parallel to each other. An incident ray AB strikes the mirror PQ at B, the reflected ray moves along the path BC and strikes the mirror RS at C and again reflects back along CD. Prove that AB CD.
15
Oct
6. In Fig. 6.33, PQ and RS are two mirrors placed parallel to each other. An incident ray AB strikes the mirror PQ at B, the reflected ray moves along the path BC and strikes the mirror RS at C and again reflects back along CD. Prove that AB CD. 6. In Fig. 6.33 PQ [...]
5. In Fig. 6.32, if AB ll CD, angle APQ = 50° and angle PRD = 127°, find x and y.
15
Oct
5. In Fig. 6.32, if AB ll CD, angle APQ = 50° and angle PRD = 127°, find x and y. 5. In Fig. 6.32 angle APQ = 50° and angle PRD = 127° find x and y. if AB ll CD October 15, 2020 Category: Chapter 6 - Lines and Angles , Maths , [...]
4. In Fig. 6.31, if PQ ll ST, angle PQR = 110° and angle RST = 130°, find angle QRS. [Hint : Draw a line parallel to ST through point R.]
15
Oct
4. In Fig. 6.31, if PQ ll ST, angle PQR = 110° and angle RST = 130°, find angle QRS. [Hint : Draw a line parallel to ST through point R.] 4. In Fig. 6.31 angle PQR = 110° and angle RST = 130° find angle QRS. [Hint : Draw a line parallel to ST [...]
3. In Fig. 6.30, if AB ll CD, EF ⊥ CD and angle GED = 126°, find angle AGE, angle GEF and angle FGE.
15
Oct
3. In Fig. 6.30, if AB ll CD, EF ⊥ CD and angle GED = 126°, find angle AGE, angle GEF and angle FGE. 3. In Fig. 6.30 angle GEF and angle FGE. EF ⊥ CD and angle GED = 126° find angle AGE if AB ll CD October 15, 2020 Category: Chapter 6 - [...]
2. In Fig. 6.29, if AB ll CD, CD ll EF and y : z = 3 : 7, find x.
15
Oct
2. In Fig. 6.29, if AB ll CD, CD ll EF and y : z = 3 : 7, find x. 2. In Fig. 6.29 CD ll EF and y : z = 3 : 7 find x. if AB ll CD October 15, 2020 Category: Chapter 6 - Lines and Angles , Maths , [...]
1. In Fig. 6.28, find the values of x and y and then show that AB ll CD.
15
Oct
1. In Fig. 6.28, find the values of x and y and then show that AB ll CD. 1. In Fig. 6.28 find the values of x and y and then show that AB ll CD. October 15, 2020 Category: Chapter 6 - Lines and Angles , Maths , NCERT Class 9 ,
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.
15
Oct
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).
15
Oct
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.
15
Oct
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 ,