Math, asked by Rabie, 1 year ago

How to solve this question:-
Please answer in full steps.

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Answered by thirumal

To prove:straight line MN passes through Centre O.
Construction: through the Centre O draw EF parallel AB parallel CD
Join OM and ON
Proof :OM PERPENDICULAR AB
M Is mid point of AB and line joining Centre to midpoint of chord.
AngleOMA=90
AmgleMOF=90(OF parallel AB)
ON perpendicular CD
ON is the line joining the center of the circle to the midpoint of chord.
AngleONC=90
AngleNOF=90
Angle NOF +angleMOF=90+90=180
MON is straight line
MN passes through Centre O.

Attachments:

Rabie: Brother you are almost correct but you wrote perpendicular bisectors of the chords pass through the centre but that thing has to be proved according to the question

thirumal: ok

Rabie: pls do accordingly

thirumal: do you know how to edit

thirumal: keep the question another time pls

Rabie: click on the three dots beside your question and then oress edit answer

thirumal: I tried sir

thirumal: already

thirumal: but not use

Answered by Aaditya2003

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Aaditya2003

Secondary SchoolMath 6+3 pts

How to solve this question:-

Please answer in full steps.

Report by Rabie 17.02.2017

Answers

Aaditya2003

Aaditya2003 · Ambitious

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thirumal

Thirumal Virtuoso

To prove:straight line MN passes through Centre O.

Construction: through the Centre O draw EF parallel AB parallel CD

Join OM and ON

Proof :OM PERPENDICULAR AB

M Is mid point of AB and line joining Centre to midpoint of chord.

AngleOMA=90

AmgleMOF=90(OF parallel AB)

ON perpendicular CD

ON is the line joining the center of the circle to the midpoint of chord.

AngleONC=90

AngleNOF=90

Angle NOF +angleMOF=90+90=180

MON is straight line

MN passes through Centre O.

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