Question

Raportul ariilor a doua patrate este 4 supra 9.aflati raportul perimetrelor

Answer 1

$A_{1}=a^2; A_{2}=b^2 \\ \frac{ A_{1} }{ A_{2} }= \frac{a^2}{b^2}= \frac{4}{9 } \\ \frac{a}{b}= \frac{2}{3} \\ P_{1}=4a; P_{2}=4b \\ \frac{ P_{1} }{ P_{2} } = \frac{4a}{4b}= \frac{a}{b}= \frac{2}{3}$