第1页共4页23.1图形的旋转课后作业一、选择题1．下列选项中，能通过旋转把图a变换为图b的是()INCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\23-3-9a.tif"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\23-3-9a.tif"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\23-3-9a.tif"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\23-3-9a.tif"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\23-3-9a.tif"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G6.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G6.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G6.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G6.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G6.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G7.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G7.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G7.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G7.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G7.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G8.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G8.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G8.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G8.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\G8.TIF"\*MERGEFORMATINET第2页共4页2．图J2331的四个图案中，既可用旋转来分析整个图案的形成过程，又可用轴对称来分析整个图案的形成过程的有()INCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-52.tif"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-52.tif"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-52.tif"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-52.tif"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-52.tif"\*MERGEFORMATINET图J2331A．1个B．2个C．3个D．4个3．在下图右侧的四个三角形中，不能由左侧的三角形经过旋转或平移得到的是()INCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\JS-37.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\JS-37.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\JS-37.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\JS-37.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\JS-37.TIF"\*MERGEFORMATINET二、填空题4．正六边形可以看成由基本图形________经过________次旋转而成．5．如图J2332，一串有趣的图案按一定规律排列．请仔细观察，按此规律画出的第10个图案是__________；在前16个图案中“INCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-54A.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-54A.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-54A.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-54A.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-54A.TIF"\*MERGEFORMATINET”有______个．INCLUDEPICTURE"F:\\2014上随堂\\随9数学人教(全一册)\\AS-54.TIF"\*MERGEFORMATINETINCLUDEPICTURE"F:\\2...
