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Class 9 Maths | Chapter 10 | Exercise 10.4 | Circles | NCERT

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Class 9 Maths | Chapter 10 | Exercise 10.3 | Circles | NCERT

0:06:32

Class 9 Maths | Chapter 10 | Exercise 10.2 | Circles | NCERT

0:04:46

Class 9 Maths | Chapter 10 | Exercise 10.1 | Circles | NCERT

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Class 9 Maths | Chapter 10 | Introduction | Circles | NCERT

0:20:01

Important questions of Lines and Angles Part -3

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Important questions of Lines and Angles Part -2

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Important questions of Lines and Angles Part -1

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The side QR of ΔPQR is produced to a point S. If the bisectors of ∠PQR and ∠PRS meet at point T ....

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In Fig. 6.43, if PQ ⊥ PS, PQ || SR, ∠SQR = 28° and ∠QRT = 65°, then find the values of x and y.

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If lines PQ and RS intersect at point T, such that ∠PRT = 40°, ∠RPT = 95° and ∠TSQ = 75°, find∠SQT.

0:04:33

In Fig. 6.41, if AB || DE, ∠BAC = 35° and ∠CDE = 53°, find ∠DCE.

0:06:41

In Fig ∠X = 62°, ∠XYZ = 54 If YO and ZO are the bisectors of ∠XYZ and ∠XZY of ΔXYZ,find∠OZY and∠YOZ.

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In Fig.sides QP and RQ of ΔPQR are produced to points S and T. If ∠SPR=135 and∠PQT=110°,find∠PRQ.

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PQ and RS are two mirrors placed parallel to each other. An incident ray AB.... Prove that AB || CD.

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In Fig. 6.32, if AB || CD, ∠ APQ = 50° and∠ PRD = 127°, find x and y.

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If PQIIST ,LPQR=110 and LRST=130 find LQRS

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If ABllCD and EF is pependicular to CD and LGED =126........

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If ABllCD and CDllEF and y:z=3:7,find x

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Find the value of x and y then prove that .......

0:03:36

Que.6 of Ex 6.1 It is given that∠XYZ =64 and XY is produced to a point P.......

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Que.5 of Ex.6.1 POQ is a line. Ray OR is perpendicular to line PQ .Prove that ∠ROS=1/2 ( ∠QOS-∠POS)

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Que.4 of Ex.6.1 If x+y=w+z then prove that AOB is a line

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Que.3 Angle PQR= Angle PRQ then prove that angle PQS=angle PRT