Respuesta :

Answer:

Radius = 17.69 cm to nearest hundredth.

Step-by-step explanation:

The line  of length 13 cuts the chord in half and is perpendicular to it.

So by Pythagoras:

r^2 = 13^2 + 12^2

r^2 = 169+144 = 313

r = 17.6918