Question

http://imageshack.us/photo/my-images/153/page348.jpg/
I need help number 10,12,14, ty

Answer 1

10. \[-\frac{\sqrt{3}}{3}\]

Answer 2

10). tan 11pi/6 = -1/sqrt(3) = - sqrt(3)/3

Answer 3

L=r. theta
theta= 77 pi/180
L= (15 . 77. 22/7 )/180= 20.17 inches

Answer 4

12. 20.17 inches

14. \[240\pi \approx 753.98\]

Answer 5

I'm sorry, you posted a different answer

Answer 6

raheen what is your answer ?

Answer 7

for which part?

Answer 8

pi here is 180?

Answer 9

12)
L = 2*3.14*15 * (77/360) = 20.1

14)
A= 3.14*6^2*(54/360) =17