Answer: 
Step-by-step explanation:
Opposite angles of a cyclic quadrilateral are supplementary, so:

This means that 
Answer:
m= 117
Step-by-step explanation:
7 to 11 because you divide both sides by 3
Answer
I don't know the correct answer but I can give you technique. Count the number of guesses above would give you 10, which is our answer to the maximum number of guesses to find a number between 1 and 1000.