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CBSE Class 9 Answered

Q 19 
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Asked by shubhgoel7a | 20 Sep, 2019, 09:58: PM
answered-by-expert Expert Answer
begin mathsize 16px style angle 2 space equals space angle 4 space space space space space space space space space space.... space Vertically space Opposite space angles rightwards double arrow space 2 straight x space plus space 30 space equals space straight x space plus space 2 straight y rightwards double arrow space straight x space minus space 2 straight y space equals space minus 30 space space..... space left parenthesis straight i right parenthesis angle 4 space equals space angle 6 space space space space space space space space space space space space space.... space Alternate space angles space space space space rightwards double arrow straight x space plus space 2 straight y space equals space 3 straight y space plus space 10 rightwards double arrow straight x space minus space straight y space equals space 10 space space space.... space left parenthesis ii right parenthesis Subtracting space left parenthesis ii right parenthesis space from space left parenthesis straight i right parenthesis comma space we space get straight y space equals space 40 space and space straight x space equals space 50 angle 8 space equals space angle 6 space space equals space 3 straight y space plus space 10 space equals space 3 left parenthesis 40 right parenthesis space plus space 10 space equals space 130 to the power of ring operator space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space........ space Vertically space opposite space angles angle 5 plus angle 8 space equals space 180 to the power of 0 space space space..... space Linear space pair rightwards double arrow space angle 5 space space equals 180 to the power of 0 space space minus 130 to the power of 0 space equals space 50 to the power of 0 end style
Answered by Yasmeen Khan | 23 Sep, 2019, 07:07: PM

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CBSE 9 - Maths
find value
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Asked by pushpadevipushpadevi19 | 13 Jan, 2023, 08:06: PM
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CBSE 9 - Maths
plz answer urgently dear experts lines and angles question :
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Asked by savitamahajan202 | 02 Jan, 2023, 10:55: AM
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CBSE 9 - Maths
If two lines are parallel then prove that any pair of bisictors of thier alternate interior angle is also parallel.
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Asked by amarjitruksh | 20 Jun, 2022, 10:40: PM
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CBSE 9 - Maths
Q 19 
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Asked by shubhgoel7a | 20 Sep, 2019, 09:58: PM
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CBSE 9 - Maths
kindly give solution to the question in the image.
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Asked by bhvyajot | 17 Oct, 2018, 11:03: AM
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CBSE 9 - Maths
the diagram for the 8th question.
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Asked by seeni2005 | 30 Jul, 2018, 07:44: PM
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CBSE 9 - Maths
FIND X AN D Y
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Asked by yogeshc2 | 01 Jun, 2018, 04:48: PM
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CBSE 9 - Maths
If a transversal intersects two parallel lines, then prove that each pair of consecutive interior angles are supplementary.
Asked by Topperlearning User | 04 Dec, 2013, 10:06: AM
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CBSE 9 - Maths
Show that in the given figure, AB || EF.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 9 - Maths
If two lines are intersected by a transversal in such a way that the bisector of a pair of angles are parallel, show that the two lines are parallel.
Asked by Topperlearning User | 04 Dec, 2013, 10:27: AM
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