A circle has a radius of 25cm. What is the the distance between the the two parallel chords which are 48cm and 40cm in length if they lie on the the opposite sides of the centre.
122cm
215cm
350cm
420cm
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OC = OA = 25 cm. OF = √225 = 15 cm. OE = √49 = 7 cm. ∴ Required distance = EF = OF – OE = 15 – 7 = 8 cm.
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