20 because of the whole is 40 and the shaded part is by 20 you just take half of 40 and you get 20
Answer:
Did you mean the diagonal are equal in length and bisect each other?
In that case, it is parallelogram.
Hope this helps!
:)
Answer:
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Step-by-step explanation:
Equation: 
Since there aren't any like terms and it can't be factored, your answer would be:

Hope this answer helped you!
Is it divide after the equal sign? I will text you on message. follow me