## anonymous one year ago Medal award! Find the arc length along a circle of diameter 9.5 meters which subtends an angle of 1.9 radians

1. anonymous

2. anonymous

4.75

3. anonymous

correct. $\theta=\frac{ l }{ r },l=r \times \theta$ where l= length of arc r=radius if circle $\theta=angle~of~arc(in~radians)$

4. anonymous

can you solve?

5. anonymous

so I have 4.75*9.5?

6. anonymous

4.75*1.9

7. anonymous

correct.

8. anonymous

so I would just need to input 1.9pi*4.75? Because I tried that and it mentioned that it was incorrect

9. anonymous

4.75*1.9=9.025 m

10. anonymous

thanks so much :)

11. anonymous

why are you writing pi ? angle is already given in radians.

12. anonymous

when angle is given in degrees then you need to change it in radians.

13. anonymous

yep :) I messed up but the 9.025 is correct! Thanks so much

14. anonymous

yw

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