Find the area/surface area/perimeter/volume of two figures given that they are dilated Geometry

What would be the surface area of the following object if it we dilate it by a factor of 2?

216

432

What would be the volume of the following object if it we dilate it by a factor of \dfrac{1}{2} ?

320

What would be the surface area of the following sphere if it we dilate it by a factor of 3?

900 \pi

1\ 000 \pi

500 \pi

225 \pi

What would be the perimeter of the following object if it we dilate it by a factor of \dfrac{1}{3} ?

126

What would be the surface area of the following cylinder if it we dilate it by a factor of 2?

160 \pi

80 \pi

40 \pi

20 \pi

What would be the area of the following object if it we dilate it by a factor of \dfrac{1}{4} ?

What would be the surface area of the following object if it we dilate it by a factor of 3?

144\pi

72\pi

36\pi

18\pi