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kiyo used wire fencing to from a border around a circlular region was 5yards, what was the total length of border, rounded to the nearest tenth of a yard

Respuesta :

calculista

Answer:

The total length of border was [tex]31.4\ yd[/tex]

Step-by-step explanation:

we know that

The length of the border would be the circumference of the circle,

The circumference of the circle is equal to

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

In this problem we have

[tex]r=5\ yd[/tex] -----> given problem

substitute

[tex]C=2\pi (5)=10\pi\ yd[/tex]

assume

[tex]\pi=3.14[/tex]

[tex]10\pi=10(3.14)=31.4\ yd[/tex]

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