Question

Use the arc length formula and the given information to find s. Show your work for full credit.
r = 20 ft θ = 19° s = ?

Answer 1

theta= arc/radius

Answer 2

thats the formula

Answer 3

Hint: \(s = r\theta\)

Answer 4

19=arc/20...therefore arc= 19*20

Answer 5

You have to convert theta to radians first

Answer 6

yes agreed!! 19 degrees have to be converted to radians first

Answer 7

how do i do that?

Answer 8

1degree = pi/180 radians

Answer 9

so 19 degree is pi/?

Answer 10

19 degrees= pi*19/180= 0.105pi

Answer 11

ohh ok so thats the final?

Answer 12

s = arc length, so theta always has to be in radians.

Answer 13

yes..now 0.105*pi radians have to be multiplied to 20 to get the arc length

Answer 14

is that 2.10/pie

Answer 15

yess

Answer 16

2.10pi

Answer 17

yay !! i got half of it !

Answer 18

done :)

Answer 19

whats the final answer then?