The answer will be <span>sin<span>(<span>−1</span>)</span></span>−32<span>=<span>−<span>32.841471 Im not sure but thats what i think</span></span></span>
The sum of all angles in a triangle or on a straight line is 180 so subtract the values from 180
Answer: 20.2 mph
Step-by-step explanation:
Given
Train travels 10.1 miles in half an hour i.e.
Distance 
time 
we know, 
Insert the values
