A chord of length 6cm is drawn in a circle of radius 5cm. Find the distance of the chord from the centre of the circle.
- 2.5cm
- 3.0cm
- 3.5cm
-
4.0cm
The correct answer is: D
Explanation
Distance(d) = d\(^2\) = 5\(^2\) - 3\(^2\)
= 25 - 9 = 16
d = \(\sqrt{16}\) = 4cm