Question: A student submitted the following problem but the solution is incorrect. Identify the mistake. What did the student do wrong? Solve the problem correctly. Sec.

A student submitted the following problem but the solution is incorrect. Identify the mistake. What did the student do wrong? Solve the problem correctly. Sec. 12.5 #74 Find a polynomial that represents the perimeter of the figure. 413 - 5 413 - 5 12 + 12 12+9 3- 12-11 Incorrect solution: 4+3 - 5 + t2 + 12 + +3 - t2 - 11 + t2 + 9 + 4+3 - 5 11t5 + 0t

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