Question 1 Question 2 Question 3 Question 4 Question 5 Question 6 À propos
Hypothèses
  • AB || DF;
  • CB || EF;
  • m∡ABC = 32°.
Question
  • Montre que m∡DFE = 32°
Affirmations
Justifications
∠BAC ≅ ∠FDE '; foreach($justification as $x => $x_value) { if($j1==$x){ $option = "SELECTED"; }else{ $option=""; } echo ''; } echo ''; ?>
∠ACB ≅ ∠DEF '; foreach($justification as $x => $x_value) { if($j2==$x){ $option = "SELECTED"; }else{ $option=""; } echo ''; } echo ''; ?>
∆ABC ∼ ∆DFE '; foreach($justification as $x => $x_value) { if($j3==$x){ $option = "SELECTED"; }else{ $option=""; } echo ''; } echo ''; ?>
m∡DFE = m∡ABC = 32° '; foreach($justification as $x => $x_value) { if($j4==$x){ $option = "SELECTED"; }else{ $option=""; } echo ''; } echo ''; ?>