Question

To the nearest whole number, what is the surface area of a sphere with a volume of 140 cm^3?
A. 420 cm^2
B. 130 cm^2
C. 339 cm^2
D. 880 cm^2

Answer 1

volume of a sphere=(4/3)πr^3=140

Answer 2

wait what

Answer 3

r=radius of ur sphere

Answer 4

yeah

Answer 5

now the equation to calculate the surface area of ur sphere is
A=4πr^2

Answer 6

i think u r sble to find out the value of radius r

Answer 7

r=radius of ur sphere

Answer 8

volume of a sphere=(4/3)πr^3=140

Answer 9

ok