Question

mim ajuda ??????????​

Answer 1

Resposta:

7 letra d

8 falso

9 a)

${1}^{2} + {1}^{2} = { x }^{2}$

$1 + 1 = {x}^{2}$

$2 = {x}^{2}$

$x = \sqrt{2}$

b)

${2}^{2} + {2}^{2} = {x}^{2}$

$4 + 4 = {x}^{2}$

$8 = {x}^{2}$

$x = \sqrt{8}$

$x = 2 \sqrt{2}$