Specter Specter
  • 28-10-2024
  • Mathematics
College

Calculate the surface area of a sphere if the circumference of the great circle is 176 cm.

Answer :

jesscmheasley jesscmheasley
  • 23-10-2024

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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