espinozanoemi447
espinozanoemi447 espinozanoemi447
  • 29-01-2021
  • Mathematics
contestada

7. Find the circumference of a circle whose diameter is 3.2 meters. Round to the nearest tenth.



A. 32.2 m

B. 8.0 m

C. 10.0 m

D. 5.0 m

Respuesta :

imtiazkalwar
imtiazkalwar imtiazkalwar
  • 29-01-2021

Answer:

C. 10.0 m

Step-by-step explanation:

[tex]C=2\pi r[/tex]

radius is half of diameter

[tex]r = \frac{d}{2} \\r=\frac{3.2}{2} \\[/tex]

[tex]C= 2 (3.14) \frac{3.2}{2}[/tex]

[tex]C= (3.14)3.2\\C=10[/tex]

Answer Link
itsnotarmani
itsnotarmani itsnotarmani
  • 29-01-2021
The correct answer is C.10.0m
Answer Link

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