The second moment of area of a rectangle through it centroid is given by bh3/12. determine the approximate change in the second moment of area if b is increased by 2.9155% and h is reduced by 2.5%

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A: Please check step 2 for the solution.!

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Q: company

A: Please refer to the image below

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A: Since you have asked multiple question, we will solve the first question for you. If you want any…