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/