如图,已知线段a,b,c(a>b),用直尺和圆规画一条线段,使它等于a-b+c.根据画图步骤填空 补充如下(1)画射线____.(2)在射线__上截取线段_____=a(3)在射线____上截取线段____=b(4)在射线____上截取线段___=c,(5)线段______就是所要画的线段|___________________| A|_________|b|_____________|c 请速速回答
问题描述:
如图,已知线段a,b,c(a>b),用直尺和圆规画一条线段,使它等于a-b+c.根据画图步骤填空 补充如下
(1)画射线____.
(2)在射线__上截取线段_____=a
(3)在射线____上截取线段____=b
(4)在射线____上截取线段___=c,
(5)线段______就是所要画的线段
|___________________| A
|_________|b
|_____________|c 请速速回答
答
(1)画射线__AA'__.
(2)在射线_AA'_上截取线段__AB___=a
(3)在射线__BA__上截取线段__BC__=b
(4)在射线__CA'__上截取线段_CD__=c,
(5)线段__AD____就是所要画的线段