Question

find the unknown size of angles.plss write the process too​

Answer 1

Step-by-step explanation:

AD IS A LINE

SO Y+70 = 180°

NOW

Y = 110

AOB IS A TRIANGLE

angle A + O + x= 180

55+70+x = 180

x= 55

X & Z ARE ALTERNATE ANGLE

SO X = Z

NOW Z = 55