Answer:
Radius of cone = 5cm
Step-by-step explanation:
You can figure out a radius of the base of the cone by using Pythagoras as you know the hypotenuse (slant height) and the height of the triangle so:
[tex]13^2-12^2 =radius^2[/tex]
[tex]169-144 =25 = radius^2\\[/tex]
[tex]radius = 5[/tex]cm