Question

hipotenusa = 6 e dois catetos = x

Answer 1

Triangulo retangulo

6² = x² + x²

36 = 2x²

x² = 36/2

x² = 18

x = 3√2

Answer 2

Usando Pitágoras:

6^2 = x^2+ x^2
36 = 2x^2
2x^2 = 36
x^2 = 36/2
x^2 = 18
x = √18
x = 3√2

18|2
9|3
3|3
1

√18 = √2.3^2 = 3√2