Mathematics, 11.07.2019 20:00 paralaw61772
The area of a regular octagon is 35 cm^2. what is the area of a regular octagon with sides five times as long? a. 625 cm^2 b. 875 cm^2 c. 175 cm^2 d. 245 cm^2 i'm not very good at this kind of stuff : /
Answers: 2
![\bf \qquad \qquad \textit{ratio relations} \\\\ \begin{array}{ccccllll} &Sides&Area&Volume\\ &-----&-----&-----\\ \cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3} \end{array} \\\\ -----------------------------\\\\ \cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s}{s}=\cfrac{\sqrt{s^2}}{\sqrt{s^2}}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}\\\\ -------------------------------\\\\](/tpl/images/0078/2687/70089.png)
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The area of a regular octagon is 35 cm^2. what is the area of a regular octagon with sides five time...
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