The radius of the smallest pizza that can accommodate all 12 cheeses is
$\sqrt{3.5^2 + 3.5^2} \approx 4.95$
The cheeses can be arranged like this:
(There is square unit of tomato sauce with no cheese on the right)
The radius of the smallest pizza that can accommodate all 12 cheeses is
$\sqrt{3.5^2 + 3.5^2} \approx 4.95$
The cheeses can be arranged like this:
(There is square unit of tomato sauce with no cheese on the right)