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Hypothèses
- AB || CD;
- m∡AEB = 42°
- ∆AEB est isocèle (AE ≅ BE)
Question
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Affirmations |
Justifications |
| ∠EAB ≅ ∠EBA |
';
foreach($justification as $x => $x_value) {
if($j1==$x){
$option = "SELECTED";
}else{
$option="";
}
echo '';
}
echo '';
?>
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m∡EAB = m∡EBA = (180° - 42°) ÷ 2 = 69°
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';
foreach($justification as $x => $x_value) {
if($j2==$x){
$option = "SELECTED";
}else{
$option="";
}
echo '';
}
echo '';
?>
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m∡ECD = m∡EBA = 69°
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';
foreach($justification as $x => $x_value) {
if($j3==$x){
$option = "SELECTED";
}else{
$option="";
}
echo '';
}
echo '';
?>
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