Respuesta :

Answer:

[tex]6\pi[/tex]

Step-by-step explanation:

The circumference of a circle is

[tex]12\pi[/tex]

The arc length of the semicircle is half the circumference of such a circle, so the answer is

[tex]\frac{1}{2}(12\pi)=6\pi[/tex]

Ver imagen Medunno13
The arc length of the semicircle is half the circumference
Ver imagen minamoro12