bonjour
AB² = ( 12 + 4 )² + ( - 5 - 3 )²
AB² = 16² + ( - 8 )²
AB² = 256 + 64 = 320
AB = √320 = 8 √5
BC² = ( 2 - 12 )² + ( 3 + 5 ) ²
BC ² = ( - 10 )² + 8² = 100 + 64 = 164
BC = √164 = 2 √41
CD² = ( - 14 - 2 )² + ( 11 - 3 ) ²
CD ² = ( - 16) ² + 8 ² = 320
CD = √ 320 = 8 √5
AD² = ( - 14 + 4 ) ² + ( 11 - 3 )²
AD² = ( - 10 )² + 8 ² = 164
AD = √ 164 = 2 √ 41
ABCD est un parallélogramme rectangle
