Question

ex 2 dau coronita va rog,

Answer 1

Notam cu L- lungimea si l-latimea
L=5l
a)
$\frac{L}{l} = \frac{5*l}{l} =5$
$\frac{l}{L}= \frac{l}{5*l} = \frac{1}{5}$
b)
2*l+2*L=150
2*l+2*5*l=150
12*l=150
l=12,5m
L=5*l=5*12,5=62,5m