英语翻译
问题描述：
英语翻译
answer the whole of this question on a piece of graph paper.
the coordinates of the point A,B,C are (1,2),(2,2),(3,0)respectively.given that the triangle ABC is mapped onto triangle XYZ by means of an enlargement with center at origin an scale factor 2.then the triangle XYZis mapped onto triangle RST under a reflection in the line y=1.write down the coordinates of the points R,S,T.
还有一题看不懂:
express:(a)136.80kg correct to the nearest 10kg
(b)0.06280 in standard form,correct to 2 significant figures.
ans:(a)_____________
(b)_____________
答
在一张方格之上回答全部问题:点 A ,B ,C的坐标分别是 (1,2),(2,2),(3,0),给定的三角形ABC是通过三角形XYZ在同中心扩大两倍而成,三角形XYZ与三角形RST关于直线y＝1对称.写下点 R ,S ,T 的坐标.第二题考察科学技术法的...