2 years ago

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

Mathematics

1 answer:

stiv31 [10]2 years ago

5 0

Answer:

9852 Rounded to the nearest whole number.

Step-by-step explanation:

C = 2 $\pi$ r Fill in what we know to solve for r

176 = 2 $\pi$ r Divide both side by 2 $\pi$

r = 28 rounded to the nearest whole number.

The formula for the area of a circle is

A = 4 $\pi$ $r^{2}$

A = 4 $\pi$ $28^{2}$

A = 9852 Rounded to the nearest whole number

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

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