Answer:
40.00520088 or 40 rounded
Step-by-step explanation:
sine rule
1) 8 2) 3
subtract -8 from 0 = 8
same thing with -3
it is called interest
x= 5
12 squared + b squared = 13 squared
144+ b squared = 169
b squared = 25
b squared= √25
b=5
1.41421
1/2 square root 8 = 1.41421
I used siri