Most of the square numbers are even.so if we need to find root over we need an even number to convert it to perfect square.
See the example below






Some other triplets are
- (6,8,10)
- (5,12,13)
- (8,15,17)
Answer:
imaginary
Step-by-step explanation:

from the working strp, we know that the number is imaginary
we can't square root the negative number
The correct answer should be :
Option 3 : 
Hope this helps,
Davinia.
Answer:
You need to give us the possible answers first.
Step-by-step explanation:
Answer:
30 I THINK
Step-by-step explanation: