Respuesta :

Formula for the surface area of a sphere is [tex]A=4 \pi r^{2} [/tex]. The radius is the half of a diameter and it is r=15m. By plugging it into the formula, we find the surface area. [tex]A=4 \pi r^{2} = 4 * \pi * 225=900 \pi [/tex].

Answer:

the answers for the practice :

Step-by-step explanation:

1>A

2>A

3>A

4>B

5>C

6>B

7>B

8>B

9>A

10>D

https://quizlet.com/291459199/geometry-flash-cards/