Question

Câu 5:
The area of polygon ABCDEF, in square units, is

Answer 1

Kẽ EG vuông góc BC=> AF=BG=5cm

=>GC=BC-BG=9-5=4cm

\(S_{ABCDEF}=S_{ABGF}+S_{EGCD}=5.6+4.4=46cm^2\)