If they took 2/3 away you have 1/3 left. you would have 7 left.
The measure of the angle is 50 degrees because it is half the arc that it is enclosed by
Check the picture below.
make sure your calculator is in Degree mode.
Answer:
-1/2
Step-by-step explanation:
https://www.calculator.net/slope-calculator.html
That website has the best explanation ^^^^^