Question

Calcule o valor de x utilizando o teorema de Pitágoras.

Answer 1

já mando a resposta à b

Answer 2

a) 
a) $x^{2} =15 ^{2} +20 ^{2}$
$x^{2} =225+400$
$x^{2} =625$$[tex] x= \sqrt625$
$x=25$


b) $10^{2} = 8^{2} + x^{2}$
$100=64+ x^{2}$
$100 - 64 = x^{2}$
$x^{2} =36$
$x= \sqrt36$
$x=6$