Question

Se Bc= 16 Ac=20 AD=10 AE=10,4 , o perímetro do quadrilátero bced, em centímetros é:

Answer 1

$\frac{20}{10,4} = \frac{16}{DE} \\ DE= \frac{16 \cdot 10,4}{20} \\ DE=8,32$$\frac{20}{10,4}= \frac{20-10,4}{BD}\\BD= \frac{9,6\cdot10,4}{20} \\BD= 4,992$$P=8,32+4,992+9,6+16\\p=38,912$