Find the area of this parallelogram.

Step by step explanation :

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Base length ( b ) = 21 cmVertical height ( h ) = 9 cm Slant height = 12 cm { Ignore the slant height as it is not required while finding the area }

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Area of the given parallelogram

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Substitute the known values :

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In all honesty, there really is no “work” per say to show. mainly it’s just using the process of elimination. the question is asking which domain(s) would be the most appropriate for the function c(n). n is the number of observed vehicles so right away, 1, 2, and 3 can be eliminated.why? 1, 2 start in the negatives and therefore it is impossible to observe negative cars. so, #4 would be the best answer to the given problem.