Question

Calcule o valor de x da figura abaixo

Answer 1

Pelo teorema de Pitagoras, a²=b²+c² então

y²=(3√3)²+3² >>> y²=27+9 >>> y²=36 >>> y=6

z²=6²+2² >>> y²=36+4 >>> y²=40 >>> y=2√10

7²=(2√10)²+x² >>> 49=40+x²  >>> x²=9 >>> x=3