第2题图
如图，一把矩形直尺沿直线断开并错位，点E、D、B、F在同一条直线上，若∠
第
第
第11题图
13．一辆汽车在笔直的公路上行驶，两次拐弯后，行驶的方向与原来的方向相同，这两次拐弯的角度可能是（
A．第一次向右拐40°．第一次向右拐50°，第二次向左拐
，∠1=60°，则b 2∠ 如图，一个合格的弯形管道，经过两次拐弯后保持平行（即AB 第2题图
第3题图
DOH，求∠KOH的度数．A=∠E．
第3题图
如图所示,把一张长方形纸片
E D
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At the end, Xiao Bian gives you a passage. Minand once said, "people who learn to learn are very happy people.". In every wonderful life, learning is an eternal theme. As a professional clerical and teaching position, I understand the importance of continuous learning, "life is diligent, nothing can be gained", only continuous learning can achieve better self. Only by constantly learning and mastering the latest relevant knowledge, can employees from all walks of life keep up with the pace of enterprise development and innovate to meet the needs of the market. This document is also edited by my studio professionals, there may be errors in the document, if there are errors, please correct, thank you!。