In a circle, two equal and parallel chords are 6 cm apart and they lie on the opposite sides of the centre of the circle, whose radius is 5 cm. The length of each chord (in cm), is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e 8
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Understanding Tricks |
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Application According to figure
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Here XY is the diameter (10cm) AB and CD are chord and distance between them = 6cm So Remaining distance of OZ = 3cm |
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Now in ΔOZD ZD2 = 52 - 32 ZD2 = 25 - 9 ZD2 = 16 ZD = 4 |
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Hence Length of the chord = 8cm |
