patricia5214 patricia5214

20-05-2020
Mathematics

contestada

What is the arc length if the radius is 12 cm?*
A
B
60°
O 12 pi cm
O 3 pi cm
O 4 pi cm
024 pi cm

Respuesta :

sqdancefan sqdancefan

21-05-2020

Answer:

4π cm

Step-by-step explanation:

The length of an arc of a circle with radius r and central angle θ is given by ...

s = rθ

where θ is in radians.

Here, your arc measures 60° = π/3 radians, so the arc length is ...

s = (12 cm)(π/3) = 4π cm

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