Question

Help!! Find s

Answer 1

k

Answer 2

do you know about sine rule in triangles?

Answer 3

No is that where you cross multiply? @hartnn

Answer 4

have a look!
https://www.mathsisfun.com/algebra/trig-sine-law.html

Answer 5

\(\Large \dfrac{s}{\sin S} = \dfrac{t}{\sin T}\)

and onl the value of s is unknown!

Answer 6

\[s/\sin (20) = 20/\sin (100)\]

Answer 7

@hartnn is that correct?

Answer 8

yes!
now just calculate the values..