Mm I don't know, why is that question? You must have an weird teacher
Answer:
A prime number is a number ( greater than 1) and it cannot be found/formed by multiplying two smaller numbers.
A composite number is a positive number/integer that can be found/formed by multiplying two smaller numbers/integers.
Hope this helps! Have a great day/night! :)
Answer will be 3...
both same legs will be of 3 units
hope i helped