Answer:
A=2πrh+2πr2 this is the surface are formula of a cylinder. You already know the scale ratio is 2.5 so the answer is (2.5*surface area formula). For the formula just plug in the values for the radius and the height that is given and solve.
Step-by-step explanation:
It’s the last one because 1/2 is way more then 2/5 so I think it would be 1/5<1/2 so the last one
Answer:
324
Step-by-step explanation: