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

solove. draw and lable a tape diagram to subtract tens. write the new number sentence.a. 23 - 9 = 24 - 10 =
Who established a school for navigation?
Shandra's cat is 23.4 cm tall and 38 cm long. Express these lenghts in metres and in millimetres. Someone help me , I really need it for tomorrow and please exp
Water Cycle: As _________ get too heavy to hold the liquid, the liquid droplets fall back to Earth.
how many yards in a mile?
What does an acid+base make
how do I solve 9 1/9 - 5/6
What does an acid+base make
How do you divide. Please help I can't remember.
On a desk there are 6 sheets of blue paper, 4 sheets of yellow paper, 5 sheets of green paper, and 2 sheets of pink paper. In how many ways can the paper be sta