(3,14/3)
由题意得,c=AB=√(5-2)²+(7-3)²=5,同理,a=BC=3,b=AC=4
(△ABC中,A(x1,y1),B(x2,y2),C(x3,y3),那么△ABC内心I的坐标是:
(ax1/(a+b+c)+bx2/(a+b+c)+cx3/(a+b+c),ay1/(a+b+c)+by2/(a+b+c)+cy3/(a+b+c)).
代人公式得x=3,y=14/3
所以,三角形内心坐标为(3,14/3)
(3,14/3)
由题意得,c=AB=√(5-2)²+(7-3)²=5,同理,a=BC=3,b=AC=4
(△ABC中,A(x1,y1),B(x2,y2),C(x3,y3),那么△ABC内心I的坐标是:
(ax1/(a+b+c)+bx2/(a+b+c)+cx3/(a+b+c),ay1/(a+b+c)+by2/(a+b+c)+cy3/(a+b+c)).
代人公式得x=3,y=14/3
所以,三角形内心坐标为(3,14/3)