arlen54
arlen54 arlen54
  • 07-05-2020
  • Mathematics
contestada

Please Help!!!! 15 Points!!!!

Please Help 15 Points class=

Respuesta :

ad2003ez ad2003ez
  • 07-05-2020

Answer:

139.8

Step-by-step explanation:

3.9 × 3 = 11.7

3.9 ÷ 2 = 1.95

pi × 1.95^2 = 11.9459060653

11.7 × 11.9459060653 = 139.767100964

round to 1 dp: 139.8

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