Respuesta :

robhu2015

Answer:

52pi

Step-by-step explanation:

64pi-16pi+4pi

supnickname

Answer:

so not sure if it's correct but...

  1. we know that the radius of each one is = 8cm,4cm,2cm
  2. you try to find the area by using this formula : A=π•r²
  3. by using this formula the biggest circle is 200.96cm²
  4. 2nd is 50.24cm²
  5. 3rd is 12.56cm²
  6. not sure if it's correct seeing that it says that u can't have approximation.