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

¿Qué no comemos de postre?
Given a mean of 150 and a standard deviation of 25: Define the interval about the mean that contains 75% of the data. Use a z table.
one integer is 4 less than twice another integer, and their product is 96, what are the two integers?
Convert -630° from degrees to radians. use the value of π found on a calculator and round answers to four decimal places, as needed.
Which system has no solutions? A) y<6 y>2 B) y>6 y>2 C) y<6 y<2 D) y>6 y<2
A client is suspected of having acromegaly. what definitive diagnostic testing is the most reliable method of confirming acromegaly?
you take out a loan to buy a used 2014 toyota camry for $18,459. Your loan is a simple interest loan with an interest rate of 3.95% for 48 months. how much will
Please help me with these, i would really appreciate it
In the equation 3x 2 + 6x = 12, the value of c is:
Why do you pass the open end of a broth tube or a bottle through the flame after opening it and before recapping it?