Question

raportul lungimilor laturilor a doua patrate este 5 supra 6. afla raportul ariilor lor

Answer 1

$\frac{l_1}{l_2}= \frac{5}{6} \\ \\ \frac{A_1}{A_2}= \frac{l_1^2}{l_2^2}= (\frac{l_1}{l_2} )^2 = (\frac{5}{6})^2= \frac{25}{36}.$

Answer 2

l1:;2=5:6=0,8(3)
l1^2:l2^2=(l1:l2)^2=0,8(3)^2=0,69(4)3