Question

calcule o valor de X :

Answer 1

hipotenusa⇒2x
cateto⇒x
cateto⇒3√3

a²=b²+c²

$(2x)^2=x^2+(3 \sqrt{3} )^2 \\ 4x^2=x^2+9(3) \\ 4x^2-x^2=27 \\ 3x^2=27 \\ x^2=27\div3 \\ x^2=9 \\ x= \sqrt{9} \\ x=3$