Question

I need some help with these problems

Answer 1

Answer:

calculate by yourself

Step-by-step explanation:

use sin theorem

1.

$\frac{s}{ \sin(60) } = \frac{12}{ \sin(30) }$

2.

$\frac{s}{ \sin(90) } = \frac{4}{ \sin(30) }$

3.

$\frac{s}{ \sin(60) } = \frac{10}{ \sin(90) }$