Answer:
Boat A travels 105 km
Boat B travels 150 km
difference 45 km
18(s+t/2+2)
-17-40+25
=25-57
= -32
60°
Step-by-step explanation:
All the sides are of equal length, 12,12,12 , 60,60, ?, so it is 60
Answer: Answer is B
EH the dotted line is splitting the triangle into 2 90 degree angles