PLEASE HELP FAST!! Three parallelograms are hinged at each vertex to create an arm that can extend and collapse for an exploratory spaceship robot. What is mZ1? Explain how you found the answer.
1179
or
angles of a
All of the angles along the center of the parallelograms in the arm are
parallelogram. By the
Z1 is
(Do not include the degree symbol in your answer.)
because they are either
to these angles, so mZ1=0

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