Question

me ajude pf valendo 10 pontos

Answer 1

Bom dia

Temos  b*h=24   e

$\dfrac{B+b}{2} *h=40\Rightarrow (B+b)*h=80 \\ Bh+bh=80\Rightarrow Bh+24=80\Rightarrow Bh=80-24 \Rightarrow Bh=56 \\ \\ Resposta:\quad \dfrac{Bh}{bh} = \dfrac{56}{24}\Rightarrow \dfrac{B}{b}= \dfrac{56}{24} \\ \\ \boxed{ \dfrac{B}{b}= \frac{7}{3} }$