Answer:
(first and brainliest??) 27 degrees
Step-by-step explanation:
The top triangle's missing angle is 75 degrees because 85+20=105 and 180-105=75. Knowing this, we know that the angle that's connecting the two triangles is also 75 degrees. 78+75=153 and 180-153=27
Answer:

Step-by-step explanation:
Everything is distributed evenly on both ends.
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Answer:
Quadrilateral MNOP is a rectangle.
Step-by-step explanation: