Question

Teorema de Pitágoras, como eu encontro o valor do x?

Answer 1

Resposta:

x^2 +16=400

x^2=400-16

x^2=384

x=19,5

Answer 2

$\large\boxed{\begin{array}{lr}a^2=b^2+c^2\\20^2=4^2+x^2\\400=16+x^2\\400-16=x^2\\ \sqrt{ 384}= \sqrt{ x^2}\\\boxed{x=8 \sqrt{6} }\end{array}}$