Answer :
Answer:
2
Step-by-step explanation:
Using Pythagoras' theorem:
Length of diagonal = √(side² + side²)
Since the square has equal sides of length 19,
Length of diagonal = √(19² + 19²) = √(2)(19²) = 19√2
Hence option 2 is correct.
Answer:
2
Step-by-step explanation:
Using Pythagoras' theorem:
Length of diagonal = √(side² + side²)
Since the square has equal sides of length 19,
Length of diagonal = √(19² + 19²) = √(2)(19²) = 19√2
Hence option 2 is correct.