Verified answer

ola carol

√2/2 = 2/x

√2x = 4

x = 4/√2 = 4√2/2 = 2√2

pronto

√2/2 = 2/x

x√2=2*2

x√2=4

x=4/√2

x=4√2/√2*√2

x=4√2/√2²

x=4√2/2

x=2√2

temqapreder