Respuesta :
Answer:
123°
Step-by-step explanation:
i took the test and got it right!
The degree measurement of angle C' is 123°
What is the angle property of trapezoid?
- Sum of all angles in trapezoid is 360°
- Sum of the angle of same side is 180°
Given that angle A is 57°
angle C is 123°
When the trapezoid ABCD is translated, it will also have the same property.
So, angle of C' is equal to angle of C.
Hence, the degree measurement of angle C' is 123°
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