Ashley3279
Ashley3279 Ashley3279
  • 06-09-2018
  • Mathematics
contestada

A Ferris wheel has a diameter of 90 feet. How far does car travel in one revolution in terms of π?

180π


45π


160π


90π

Respuesta :

carlosego
carlosego carlosego
  • 15-09-2018

The distance traveled is given by:

[tex] S = R \alpha [/tex]

Where,

R: Ferris wheel radio

α: central angle

The angle for a revolution is:

[tex] 1rev = 2\pi rad [/tex]

Therefore, substituting values we have:

[tex] S = \frac{90}{2}(2\pi) [/tex]

[tex] S = 90 \pi [/tex]

Answer:

in one revolution the car travels:

[tex] S = 90 \pi [/tex]

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