bonjour
OA² = ( 4 - 0 )² + ( 0 - 0 )² = 16
OA = √ 16 = 4 cm
AB² = ( 2 - 4 )² + ( 2 √3 - 0 )² = ( - 2 )² + ( 2 √3) ² ) 4 + 12 = 16
AB = √ 16 = 4 cm
OB ² = ( 2 - 0 )² + ( 2 √3 - 0 )² = 2 ² + ( 2 √3 )² = 4 + 12 = 16
OB = √ 16 = 4 cm
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bonjour
OA² = ( 4 - 0 )² + ( 0 - 0 )² = 16
OA = √ 16 = 4 cm
AB² = ( 2 - 4 )² + ( 2 √3 - 0 )² = ( - 2 )² + ( 2 √3) ² ) 4 + 12 = 16
AB = √ 16 = 4 cm
OB ² = ( 2 - 0 )² + ( 2 √3 - 0 )² = 2 ² + ( 2 √3 )² = 4 + 12 = 16
OB = √ 16 = 4 cm