Answer:

Step-by-step explanation:
If AB is tangent to the circle, then angle ABO is right angle and triangle AOB is special
triangle. In this triangle, the leg that is opposite to the angle of 30° is half of the hypotenuse. Thus,

By the Pythagorean theorem,

What is a feeble minded person?
Definition of feebleminded
1 dated, offensive : impaired in intellectual ability : affected with intellectual disability.
Just do how many minutes are in a hour and do that for 2days but 24 times two
Answer:
+
4
Step-by-step explanation:
If you're asking for the model for the second problem (I didn't see any unsolved), here it is!