To solve this problem you must apply the proccedure shown below:
1. You have that the radius and the height of the cylinder are:
2. So, you must calculate the area:
3. Substitute the values into the formula:
4. When the radius and the height are doubled, you obtain:
5. The factor is:
The answer is: B.
1. You have that the radius and the height of the cylinder are:
2. So, you must calculate the area:
3. Substitute the values into the formula:
4. When the radius and the height are doubled, you obtain:
5. The factor is:
The answer is: B.