Question

Exercitiul 4,va rog,cat se poate de repede

Answer 1

$A_{AFGP}=2\times3=6cm^2\\A_{ABCD}=1\times1=1cm^2\\\\A_{EFGH}=\frac{(1+2)\times1}{2}= 1,5cm^2\\\\A_{poligon=A_{AFGP}-A_{ABCD}-A_{EFGH}=6-1-1,5=3,5cm^2$

Raspuns: c) 3,5cm²