The answer is 50. First, you need to multiply 34.6 by 34.6, and multiply 15.4 by 15.4, and subtract the products which gives you 960. Next you subtract 15.4 from 34.6, giving you 19.2. Lastly, you divide 19.2 into 960 and you get 50.
Answer:
34°
Step-by-step explanation:
The measure of vertical angles formed by two chords is equal to one half the sum the measures of the arcs.
In other words, x is the average:
x = (23° + 45°) / 2
x = 34°
Answer: 
Step-by-step explanation:
Given

For

It indicates
lies in I st quadrant. The value of cosine
is equal to 
Therefore,
must be 
Answer:
this is what my calculator said sorry: 1.0077696E16
Step-by-step explanation:
calculator