Question

In the diagram above, O is the centre of the circle with radius of 13 cm and AC = 12 cm. Find the length of SB, in cm.​

Answer 1

Answer:

Step-by-step explanation:

$OA = 13, AS=\frac{1}{2}AC=6$

Then

$OS^2=OA^2-AS^2=13^2-6^2=169-36=133.$

Now

$SB=OB-OS=13-\sqrt{133}$