A chord drawn 5 cm away from the center of a circle of radius 13 cm. Calculate the length of the chord
-
A.
7cm -
B.
9cm -
C.
12cm -
D.
24cm
Correct Answer: Option D
Explanation
x2 + 52 = 132
x2 + 25 = 169
x2 = 144
x = √ 144
= 12
Length of the chord AB = 2x
2*12= 24cm