Answer:
A)
Step-by-step explanation:
The letter of the corners go in the same order for both triangles
Answer: 0.0386
Step-by-step explanation:
Number of digits = 10
Number of letters in English alphabet = 26
Total number of characters = 
Now, if replication is allowed, then the total number of ways to make a ten character password will be :_

The number of ways to make a password having all letters :-

Now, the probability that the password will contain all letters will be :-

Hence, the probability that the password will contain all letters =0.0386
Yeah you surely can use them by ASA only