At the right is a parallelogram ABCD.Consider each given information and answer the questions that follows.
Given:m∠ADC = 54° and m∠DCA = 30°
a. What is the m∠DCA?
b. What is the m∠ACD?
c. What is the m∠BAC?
d. What is the m∠ABC?
e. What property did you apply to determine the measure of the angles?​​
