Question

calcule o valor de x usando o teorema de tales

Answer 1

x/180 = 40/90
90x = 7200
x = 7200/90

x = 80

y/180 = 30/90
90y = 5400
y = 5400/90

y = 60

z/180 = 20/90
90z = 3600
z = 3600/90

z = 40