n7andosabsningtonk n7andosabsningtonk
  • 04-03-2017
  • Mathematics
contestada

Find the length of the diameter of a sphere with a surface area of 50.27 ft^2.

1.77 ft

3.54 ft

2 ft

4 ft

Respuesta :

wolf1728
wolf1728 wolf1728
  • 05-03-2017
Sphere Surface Area     =     4 • π • r²

50.27 = 4 * PI * r^2

50.27 / (4 * PI) = r^2

4.0003594946 = r^2

r = sq root ( 4.0003594946)

radius = 
2.0000898716

So the diameter = 4.0001797433

or it is roughly 4 feet


Answer Link

Otras preguntas

66 2/3 as a percentage
Why is diffusion important to cells?
What is the median of the data? 18, 17, 11, 18, 14, 14, 15, 18, 13, 12, 20, 17 A. 15 B. 16 C. 17 D. 18
What is the approximate straight-line distance in miles between Athens and Rome
Compared to an atom of phosphorus-31, an atom of sulfur-32 contains (1) one less neutron (3) one more neutron (2) one less proton (4) one more proton
At STP, fluorine is a gas and bromine is a liquid because, compared to fluorine, bromine has (1) stronger covalent bonds (2) stronger intermolecular forces (3)
Atoms of one element are converted to atoms of another element through (1) fermentation (3) polymerization (2) oxidation (4) transmutation
what groups were in conflict in the south?
A sample of a gas is contained in a closed rigid cylinder. According to kinetic molecular theory, what occurs when the gas inside the cylinder is heated? (1) Th
which condition is probably most necessary for a monarch to gain power?why?