Найдем координаты векторов: AB, BC, AC;
AB = B - A = ( -4+3; 2+2 ) = ( -1; 4 )
BC = C - B = ( 1+4; 3-2 ) = ( 5; 1 )
AC = C - A = ( 1+3; 3+2 ) = ( 4; 5 )
Найдем длину векторов:
|AB| = √1+16 = √17
|BC| = √25+1 = √26
|AC| = √16+25 = √41
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Найдем координаты векторов: AB, BC, AC;
AB = B - A = ( -4+3; 2+2 ) = ( -1; 4 )
BC = C - B = ( 1+4; 3-2 ) = ( 5; 1 )
AC = C - A = ( 1+3; 3+2 ) = ( 4; 5 )
Найдем длину векторов:
|AB| = √1+16 = √17
|BC| = √25+1 = √26
|AC| = √16+25 = √41