Answer:
68
Step-by-step explanation:
too easy
take 56 degree as reference angle
using sin rule
sin 56=opposite/hypotenuse
0.82=AB/15
15*0.82=AB
12.3=AB
On the image
...............
The first one: -1 1/4
Step-by-step explanation"
53.5
by simplifying we get 53.5
