Question

Calcule o valor de x nos triangulos retangulos

Answer 1

h^2= a^2+b^2
h^2= (raiz de 2) ^2 +( raiz de 3)^2 
corta raiz com o quadrado 
h^2= 2+3
h= raiz de 5

(3*raiz de5 ) ^2 = 6^2 +x^2
9*5= 36+x^2
x^2= 45-36
x^2= 9
x=3