Answer: FIRST OPTION
Step-by-step explanation:
You need the formula for calculate the arc lenght:
[tex]arc\ length=2\pi r(\frac{C}{360})[/tex]
Where "r" is the radius and and "C" is the central angle in degrees.
You know that the radius is:
[tex]r=7.5[/tex]
And the central angle ∠CAT is:
[tex]C=\angle CAT=125\°[/tex]
Then, you need to substitute these values into the formula [tex]arc\ length=2\pi r(\frac{C}{360})[/tex] to calculate the length of CT.
Then, this is:
[tex]arc\ length=CT=2\pi (7.5)(\frac{125\°}{360})[/tex]
[tex]arc\ length=CT=16.4[/tex]
