Answer:
- The quadrilateral is a rectangle


Step-by-step explanation:
Given,

Now,




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Answer:
x-4=19
Step-by-step explanation:
Hope that helps!
First one hope this helps!
The only shape that has that much is a decagon 10 sides. t<span>he </span>sum<span> of the interior </span>angles of a Regular Decagon is 1440 degrees.
The awenser of the problem is A