Question

i need help. please

Answer 1

The surface area of sphere W is 4 cm2.

The scale factor from sphere W to sphere X is 5.

What would be the diameter of sphere X?

5 cm
6 cm
12 cm
10 cm

Answer 2

Formula will be great

Answer 3

\[SA = 4 \pi r^{2}\]

Answer 4

i think you meant to write SA of W is 4pi ?

Answer 5

for which one

Answer 6

someone can help me please

Answer 7

is this correct ?
"The surface area of sphere W is 4 cm2."
or is it 4 pi cm2

Answer 8

4 pi cm^2

Answer 9

ok so
\[4 \pi r^{2} = 4 \pi\]
solve for "r"
diameter of W is 2r
multiply by 5 to get diameter of X