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

9. Which food would you expect to have the lowest lipid levels? a. Olives b. Pistachios c. Wheat crackers d. Sesame seeds
Element X decays radioactively with a half life of 9 minutes. If there are 860 grams of Element X, how long, to the nearest tenth of a minute, would it take the
mention the importance of ict in public and security​
PLS HELP ME AND MY TEACHER ARE ON A 1 ON 1 CALL HELP ASAP
What is the following product?
I DONT GET THISS help
need help asap 30 points Insert the correct terms below into the following paragraph. Each term will be used. /20 pts sovereignty, republic, state, capitalism,
f(x)= x2 + 5x at x = 4​
Complete the number sentence to solve. Eight girls share 7 sandwiches equally. How many sandwiches does each girl get? 7 ÷ = Each girl's share is of a sandwich.
16 multiplied by half a number