Answer:
the answer is letter C.
I hope this can help you!
a triangle adds to 180 degrees
we have 90 and 40 so the hypotenuse is 50 degrees
Answer:

Step-by-step explanation:
The given equation is
.
We need to find the solution of the above equation.
The solution of an equation
is :

We have, a = 1, b = 3 and c = 4

So, the solution of the given equation is
.
1.7/1.9 = 0.894 (rounded)