Question

Raporturile ariilor a doua patrate este 169/196.Calculati raporul perimetrelor lor..... Va rog ajutati-ma!Please!

Answer 1

$\frac{ A_{1} }{ A_{2} }= \frac{ l_{1}^2 }{l_{2}^2}= \frac{169}{196 } \Rightarrow \frac{l_{1}}{l_{2}} = \frac{13}{14}. \\ \\ \frac{P_{1}}{P_{2}} = \frac{4l_{1}}{4l_{2}} = \frac{l_{1}}{l_{2}}= \frac{13}{14} .$

Answer 2

A1/A2=L²/l²=169/196=(13/14)²⇒L/l=13/14
P1/P2=4L/4l=L/l=13/14