Question

so ahffjgkcnsgglfgl​

Answer 1

Answer:

in ΔXYZ

∠X+∠Y+∠Z=180  (ANGLE SUM PROPERTY)

x+x+40°=180°

2x=180-40=140°

x=140/2=70°

∠X=∠Y=70°

Step-by-step explanation:

Answer 2

Step-by-step explanation:

x+x+40=180(sum of angles in a triangle)

2x+40=180

2x=180-40

2x=140

x=140/2

x=70