Answer:
B.
Step-by-step explanation:
I plugged it into a graphing calculator which got me this.
Given:
In the given triangle,
With respect to y, Perpendicular = 10 cm and Base = 8 cm
To find the value of y.
Formula
By Trigonometric Ratio we get,

Now,
Putting the values of perpendicular and base we get,

or, 
or, 
Rounding off to the nearest tenth, we have;

Hence,
The value of y is 51.3°.
1/4 = 5/20
2/5 = 8/20
8/20 + 5/20 = 13/20 has been spent
Answer:
QPN and TSU
Step-by-step explanation:
They're both exterior angles and they are both alternate to each other.