smiagarwal0
smiagarwal0 smiagarwal0
  • 27-08-2022
  • Mathematics
contestada

Calculate the surface area of sphere if the circumference of great circle is 176 cm².​

Respuesta :

jesscmheasley jesscmheasley
  • 27-08-2022

Answer:

9852 Rounded to the nearest whole number.

Step-by-step explanation:

C = 2[tex]\pi[/tex]r  Fill in what we know to solve for r

176 = 2[tex]\pi[/tex]r  Divide both side by 2[tex]\pi[/tex]

r = 28 rounded to the nearest whole number.

The formula for the area of a circle is

A = 4[tex]\pi[/tex][tex]r^{2}[/tex]

A = 4[tex]\pi[/tex][tex]28^{2}[/tex]

A = 9852 Rounded to the nearest whole number

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