Multiple choice

In a circle of radius 5cm. AB and AC are the two chords such that AB=AC=6cm. Find the length of the chord BC.

  1. 4.8 cm

  2. 10.8 cm

  3. 9.6 cm

  4. None of these

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

Using chord properties in a circle, two equal chords AB and AC of length 6 cm each form an isosceles triangle ABC. The distance from center to each chord is √(5² - 3²) = 4 cm. Using geometry relations, BC calculates to 9.6 cm.