Question

Find the length of an arc of 40° in a circle with an 8 inch radius.

Answer 1

40 degrees is to 360 degrees as L (arc length) is to the circumference of the circle [ 2 pi times 8]

40/ 360 = L / 16 pi

1/9 = L / 50.265

9L = 50.265

L = 5.59 inches approximately

Answer 2

help?

Answer 3

ya i tried that formula but the anwser is not on my worksheet

Answer 4

really? i mean should be it , maybe your teacher wrote something wrong.

Answer 5

the anwsers are these:
8pi/9
16pi/9
64pi/9
would it be the second i think it is but not sure

Answer 6

yeay i not sure either. sorry :(

Answer 7

its alright thx for your ur help tho :)