What is the circumference of the circle shown below, given that the length of AB (the minor arc) is 4?
C
30,
A
A. 48
B. 40
C. 24
d
D. 12

someone pls help no links

Given:

Length of arc AB is 4 units.

The measure of central angle corresponding to arc AB is 30 degrees.

To find:

The circumference of the circle.

Solution:

The formula for arc length is:

Where, r is the radius and is the central angle.

It is also written as:

Where, C is the circumference of the circle.

Putting in the above formula, we get

Multiply both sides by 12.

The circumference of the circle is 48 units.

Therefore, the correct option is A.

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