katy748 katy748

25-11-2019
Mathematics

contestada

What part of the circumference is an arc whose measure is 30°?
1/12
1/10
1/8
1/6

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marcthemathtutor marcthemathtutor

25-11-2019

Answer:

1/12

Step-by-step explanation:

The whole circumference (i.e complete circle) is an arc which measures 360°

in our case, it is given that our arc measures only 30°

the fraction of our arc of 30° to the complete circle of 360° is

30/360

= 3/36

= 1/12

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