contestada

What is the surface area of the sphere below?
5
2.5
A. 1257 units2
B. 1007 units2
C. 12573 units2
O
D. cannot be determined

What is the surface area of the sphere below 5 25 A 1257 units2 B 1007 units2 C 12573 units2 O D cannot be determined class=

Respuesta :

cryssybug

Answer:

100 pi units 2 ..............

Here's the solution :

In a sphere,

[tex] \boxed{ \mathsf{surface \: \: area = 4\pi {r}^{2} }}[/tex]

now, let's solve :

  • [tex]s = 4 \times \pi \times 5 \times 5[/tex]
  • [tex]s = 100\pi[/tex]

hence, correct answer is B. 100π unit²

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