CBSE Class 10 Answered
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Asked by lakshmimanjula433 | 19 Nov, 2023, 10:50: AM
Expert Answer
Fig.(1) describes the first question.
Radius OB = 13 cm ( given ) .
Chord length, AB = 10 cm ( given ).
Perpendicular line drawn from center of circle to the chord bisects the chord .
Hence BC = ( 1/2 ) AB = 10/2 cm = 5 cm
Distance of chord from center is 12 cm
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Fig.(2) describes the first question.
Radius OQ= 17 cm ( given ) .
Distance of Chord PQ from center = 8 cm ( given ).
Perpendicular line drawn from center of circle to the chord bisects the chord .
PQ = 2 ( RQ ) = 2 ( 15 ) cm = 30 cm
Chord length = 30 cm
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