Question

PLSS give me the answer for the B and C!! ( there two different questions)

Answer 1

Answer:

b)

Circumference Formula :

$2\pi r$

$\frac{120}{360}$

This is the ratio we can work out:

$\frac{given \: angle}{revolution} = ratio$

$arc = ratio \times circumference$

$22 = \frac{120}{360} \times 2 \times \frac{22}{7} \times r$

$22 = \frac{44}{21} x$

$x = 22 \div \frac{41}{21}$

$x = \frac{21}{2}$