The symbol "<span>∈" means "belongs to".
This means that a certain element belongs to or is found in the set.
The set given contains three numbers which are 4, 14 and 17.
As you can see, 4 is found in this set, therefore, 4 belongs to this set.
Based on this, the given statement is true.</span>
That would be a scalene because none of the sides are congruent (the same size)
Here is your answer mate✌️
