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Multiple choice

A chord of length 16 cm is drawn in a circle of radius 10 cm.The distance of the chord from the centre of the circle is

  1. 6 cm

  2. 8 cm

  3. 9 cm

  4. 12 cm

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A Correct answer
Explanation

The perpendicular from the center to a chord bisects it. Half the chord is 8 cm, radius is 10 cm. Using Pythagoras: distance² + 8² = 10², so distance = √(100-64) = √36 = 6 cm.

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