Question

1/109, Trapezul DEFG cu DE paralel cu FG are diagonalele perpendiculare. Determinati
a) pr DF GF
b) pr EG D
c) pr EG EF
Vă rog urgent! Dau coroana

Answer 1

• Fie DF∩EG={O}

GO⊥DF

$pr_{(DF)}GF=GO$

DO⊥GE

$pr_{(EG)}D=DO$

FO⊥GE

$pr_{(EG)}EF=FO$