2 Answers

Evan Salter · Answer 1 · 2024-09-22T21:06:58+0000

The ratio of the angle to 360 is the ratio of the length of the arc to the entire circle.
The entire circle has a circumference of 2pir, which is 2 * pi * 3/pi = 6. 120/360 is the ratio, which is 1/3. 6*1/3 = 2.

Nikz · Answer 2 · 2024-09-26T01:22:24+0000

Answer: 1 cm

Explanation:

To find the length of arc, multiply the fraction of the circle to the Circumference

Looks like:

$(part of circle)/(whole circle) (2\pi r)$

r=3/
$\pi$

length =
$(120)/(360) (2\pi)(3)/(\pi )$ pi's cancel, now reduce

= 2 cm

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