X is 63 degrees!
It is equal to the angle marked 63 degrees (angles in that arrangement are always equal)
A tree diagram can be drawn for a clearer understanding. The branches of the tails can be ignored since we are not concerned about that. To find the probability along the branches, we just have to multiply the probabilities of each branch, giving you an answer of 1/128
They are both the same. There are 60 seconds in one minute, so 60*3 is 180. Since 180=180, they are equal.
:)
The answer is a equals 6.