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

In terms of population factors, abundance refer to
Your job is to design a open topped, rectangular box of minimum cost. Suppose the box is to be of volume cubic cm; and the cost of material for the front and
What was a common belief held by Frederick Douglass, William Lloyd Garrison, and John Brown?
what is the exact volume of the cylinder
2:00 pm clock measures how many degrees
Protests that group together and move by streaming along a mass of cytoplasm are called?
How do you simplify a fraction?
is there a point at which nails would stop growing??
Bias by humans toward members of their own class and prejudice against members of other kind is known as:
What are the three main ideas (or tenets) of Cell Theory?