What is this Please show steps, tyy

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Ceferrari asked Sep 19, 2023

227,509 views

4 votes

What is this Please show steps, tyy

Mathematics
high-school

Ceferrari asked Sep 19, 2023

by Ceferrari

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1 Answer

21 votes

well, we know it's a regular polygon of 5 sides, namely a regular PENTAgon, and since we know one side's length, the perimeter is simply that much 5 times, namely

$\begin{array}{ccllll} &2x^3-5x+3\\ &2x^3-5x+3\\ &2x^3-5x+3\\ &2x^3-5x+3\\ +&2x^3-5x+3\\\cline{1-2} &\underset{\textit{\LARGE Perimeter}}{10x^3-25x+15} \end{array}$