Multiple choice

Find the distance of the chord from the centre of the circle if the chord of the length 24cm, and the radius of the circle is 13cm.

  1. 4 cm

  2. 5 cm

  3. 6 cm

  4. 7 cm

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

For a chord of length 24 cm, half-chord = 12 cm. Using the perpendicular distance theorem: d² + 12² = 13², where d is distance from center. So d² = 169 - 144 = 25, giving d = 5 cm.