Answer:
x ≈ 5.7 units
Step-by-step explanation:
Consider the right triangle with legs x and hypotenuse 8
Using Pythagoras' identity
x² + x² = 8²
2x² = 64 ( divide both sides by 2 )
x² = 32 ( take the square root of both sides )
x = [tex]\sqrt{32}[/tex] ≈ 5.7 units
