Answer:





Step-by-step explanation:

As both
,
lies in the third quadrant.
In the third quadrant,






Answer:
60
Step-by-step explanation:
60 plus 60 plus 60 is 180
has to add up to 180
Answer: 40°
Step-by-step explanation:
You add 90° for the right angle and 50° for the other and subtract from 180°
The area is 113.1m If you want to double check go on google and look up surface area of a sphere. A calculator will come up. Hope this helped.