Question

determine x y e z

me ajudem aa

Answer 1

a)

x+20+90 = 180

x = 180-20-90

x = 70

y = 180-140

y = 40

z+40+(180-70) = 180

z+40+110=180

z = 180-40-110

z = 30

b)

x+60+(180-135) = 180

x+60+45 = 180

x = 180-60-45

x = 75

y+75+(180-135) = 180

y+75+45 = 180

y = 180-75-45

y = 60