Question

a²= (2√2)²+2² Poderiam me ajudar ??

Answer 1

A² = 4 * 2 + 4
A² = 8 + 4
A = √12
A = 2√3

Answer 2

       $A^2=(2 \sqrt{2} )^2+2^2 \\ \\ A^2=4.2+4 \\ \\ A^2=12 \\ \\ A= \sqrt{12} \\ \\ A= \sqrt{4x3} *A=2 \sqrt{3}$