Question

Calcule o valor de x​

Answer 1

Oie, Td Bom?!

■ Resposta: 3° alternativa.

$x {}^{2} = 12 {}^{2} + 16 {}^{2}$

$x {}^{2} = 144 + 256$

$x {}^{2} = 400$

$x = \sqrt{400}$

$x = 20 \: m$

Att. Makaveli1996