isa51el
isa51el isa51el
  • 13-03-2021
  • Mathematics
contestada

please show all work i’ll mark brainliest

please show all work ill mark brainliest class=

Respuesta :

bellaxysun
bellaxysun bellaxysun
  • 13-03-2021

Answer:

a. r=4

b. 8pi or 25.13 when rounded to nearest hundreth

c. once

d. twice

Step-by-step explanation:

a)

16pi=pi*r^2

16=r^2

4=r

b)

2(4)pi

8pi or 25.13 when rounded to nearest hundreth

c) once

d) twice

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