A password is required to be 12 to 16 characters in length. Characters can be digits (0-9), upper or lower-case letters (A-Z, a-
z) or special characters. There are 10 permitted special characters. There is an additional rule that not all characters can be letters (i.e. there has to be at least one digit or one special character.) How many permitted passwords are there? Give your answer in un-evaluated/un-simpli ed form and explain it fully.
1 answer:
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<h2>It is an obtuse angle.</h2>
Step-by-step explanation:
Obtuse: An obtuse angle is an angle more than but less than
.
Example : ,
etc.
Acute : An acute angle is an angle less than
Example : ,
etc.
Straight : A straight angle is .
Right: A right angle is .
Since the angle is more than but less than
. So, it is an obtuse angle.