# mathsphy Maths NO MORE scary

S No. Topic Video
11 6.1 Q4 If X + Y = W + Z. Prove AOB is a line.
12 6.1 Q5 POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray between rays OP and OR. Prove that ROS = 1/2 (QOS – POS)
13 6.1 Q6 It is given that XYZ = 64 and XY is produced to point P. Draw a figure from the given information. If ray YQ bisects ZYP. Find XYQ and reflex QYP
14 6.2 Q1 Find the value of X and Y then show that AB ll CD
15 6.2 Q2 If AB ll CD and CD ll EF and y:z = 3:7. Find x
15 6.2 Q5 If AB ll CD, APQ = 50 and PRD = 127, find x and y
16 6.2 Q3 If AB || CD, EF perp. to CD and GED = 126, find AGE, GEF and FGE.
17 6.2 Q4 If PQ || ST, PQR = 110 and RST = 130, find QRS.
18 6.2 Q6 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.
19 6.3 Q1 Sides QP and RQ of tri. PQR are produced to points S and T respectively. If SPR = 135 and PQT = 110, find PRQ.
Topic/Video

11 6.1 Q4 If X + Y = W + Z. Prove AOB is a line.

12 6.1 Q5 POQ is a line. Ray OR is perpendicular to line PQ. OS is another ray between rays OP and OR. Prove that ROS = 1/2 (QOS – POS)

13 6.1 Q6 It is given that XYZ = 64 and XY is produced to point P. Draw a figure from the given information. If ray YQ bisects ZYP. Find XYQ and reflex QYP

14 6.2 Q1 Find the value of X and Y then show that AB ll CD

15 6.2 Q2 If AB ll CD and CD ll EF and y:z = 3:7. Find x

15 6.2 Q5 If AB ll CD, APQ = 50 and PRD = 127, find x and y

16 6.2 Q3 If AB || CD, EF perp. to CD and GED = 126, find AGE, GEF and FGE.

17 6.2 Q4 If PQ || ST, PQR = 110 and RST = 130, find QRS.

18 6.2 Q6 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.

19 6.3 Q1 Sides QP and RQ of tri. PQR are produced to points S and T respectively. If SPR = 135 and PQT = 110, find PRQ.