please please answer this question
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chapter:circles...
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please please answer this question
it's urgent please!!!
chapter:circles...
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Step-by-step explanation:
Given - O is the centrcentre of the circle and AD and BC are two chords.
To prove - AB = CD
Now let the point weather perpendicular is dropped be K.
AK = DK --- (1)
( Theorem - a perpendicular from the centre of the circle always bisects the chord into two equal parts )
Similarly
BK = CK ---- (2)
Subtracting (2) from (1)
AK - BK = DK - CK
AB = CD
Hence Proved
Hope this helps :)