233k views
1 vote
PLSS give me the answer for the B and C!! ( there two different questions)

PLSS give me the answer for the B and C!! ( there two different questions)-example-1
User NigelDcruz
by
4.9k points

1 Answer

5 votes

Answer:

b)

Circumference Formula :


2\pi r


(120)/(360)

This is the ratio we can work out:


(given \: angle)/(revolution) = ratio


arc = ratio * circumference


22 = (120)/(360) * 2 * (22)/(7) * r


22 = (44)/(21) x


x = 22 / (41)/(21)


x = (21)/(2)

User Simply Brian
by
5.0k points