3 years ago

What is the circumference of the circle shown below, given that the length of

Mathematics

1 answer:

Tresset [83]3 years ago

5 0

Answer:

Step-by-step explanation:

The following ratio is true for any circle

$\frac{arc}{C}$ = $\frac{centralangle}{360}$ ← C is circumference

$\frac{4}{C}$ = $\frac{30}{360}$ ( cross- multiply )

30C = 1440 ( divide both sides by 30 )

C = 48 → A

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