cionna99 cionna99
  • 03-11-2020
  • Mathematics
contestada

Help Please!
The circumference, c, of a circle varies directly as the diameter. If the circumference is 44cm when the diameter is 14 cm, find the circumference when the diameter is 21 cm.

Respuesta :

nicolesanchez1668
nicolesanchez1668 nicolesanchez1668
  • 03-11-2020

Answer:

C = 66 cm

Step-by-step explanation:

C = pi*diameter

C = pi*21

C= 65.9734457254

C is around 66 cm (when rounded to whole number)

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