Answer:
The surface area is multiplied by 4.
Step-by-step explanation:
The surface area is a squared value, so if the radius is multiplied by 2, the surface area is multiplied by 2 squared, or in other words, 4. I love geometry. I'm sure it is correct.
40
67 and 69
40/12 & 3 1/3
honestly i can't give a good explanation, if the answer is not right, please someone comment, and i'll fix it.
