Question

Aplicando o teorema de Pitágoras, determine as medidas de x e y da figura a seguir:​

Answer 1

Resposta:

$x^{2} =12^{2} +9^{2} \\\\x^{2} =144+81\\\\x=\sqrt{225} \\\\x = 15$

$y^{2} =15^{2} +(5\sqrt{7}) ^{2} \\\\y^{2} =225+25.7\\\\y^{2} =225+175\\\\y^{2} =\sqrt{400} \\\\y=20$