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4 years ago

I NEED THE RIGHT ANSWER PLEASE HELP! WILL GIVE BRAINLIEST

Mathematics

1 answer:

jekas [21]4 years ago

7 0

Answer:

B) 20 degrees

Step-by-step explanation:

Arc length = fraction of the circle * circumference

Arc length = fraction of the circle * 2 * pi *r

pi = fraction of the circle * 2 * pi *9

pi = fraction of the circle *18 pi

Divide each side by 18pi

-------- = fraction of a circle

18 pi

1/18 = fraction of a circle

A circle is 360 degrees

1/18 = x/360

Multiply by 360 on each side

360/18 = x

20=x

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4 years ago

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3 years ago

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VladimirAG [237]

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Step-by-step explanation:

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