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For lines a, c, and d, line cis parallel to line dand m<1= 55°.
Part A: For the given diagram, use the measure of <1 to find the measure of the remaining seven angles.
Part B: In two or more complete sentences, explain the relationship between angle pairs a) <1 and <7 and b) <1 and
<2. in your explanation, include how you calculated each of the angle measures in the special angle pairs.