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Verified Answer :

johnkellock

Area= base x height
We know that one angle is 120 degrees, and therefore obtuse.
By which, the angle is 30 degrees past what a square would be (90 degrees on all angles).
To solve for the height, we just need to use the cosine function. In this case, cos(30) = h/8.

Therefore, the height of the parallelogram is 8cos(30) = 4sqrt(3)
Meaning the area is equal to 48sqrt(3)

Answer:

48√3 sq. in.

Step-by-step explanation:

I know this is correct bc I just had this question and this was the correct answer

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