haleycabral haleycabral
  • 24-03-2021
  • Mathematics
contestada

Please help me please

Please help me please class=

Respuesta :

Аноним Аноним
  • 24-03-2021

Answer: 72

Step-by-step explanation:

Answer Link
irisxli7
irisxli7 irisxli7
  • 24-03-2021

Answer:

72

Step-by-step explanation:

Circumference of a circle = 2πr

Area of a circle: πr^2

Plug in:

C = 2πr

30.1 = 2(3.14)r

30.1 = 6.28r

r = 4.79 (Dividing both sides by 6.28)

Use area of the circle:

A = 3.14(4.79)^2

= 72.044474

Round to nearest whole number = 72

Answer Link

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