Question

please answer the question I will mark as brainilst​

Answer 1

Answer:

X+y=80(exterior angle of triangle is equal to the sum of two interior opposite angle)

angle BAD = angle ADC=100 ( alt. interior angle)

X+y+ angle BAD=180(angle sum property of traingle)

angle BOC =angle DOC(vOA)

now in triangle BOC

Y+Z+30=180

Answer 2

HEY MATE , REFER TO THE ATTATCHMENT . MAY IT HELP .

Mark the place where BC and AD meet as O

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