ABCD is a parallelogram. Find the measure of angle , (Give reason)

Answer:
D=100(opposites angles are equal)
A=C=80 (adj angles are supplementry)
Step-by-step explanation:
Answer:
x = 80
y = 100
z = 80
Step-by-step explanation:
In a parallelogram, opposite angles are congruent. Thus, angle y = 100 degrees. In a parallelogram adjacent angles are supplementary so angle x and z are 80 degrees.
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