梯形加一条直线增加4个直角怎么画
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绛旓細褰撹鍦姊舰涓娣诲姞鐩磋鏃讹紝浠ヤ笅鏄叿浣撴楠ょ殑鎻忚堪锛1. 澧炲姞涓涓洿瑙鐨勬儏鍐碉細棣栧厛锛岀敾鍑轰竴涓熀鏈殑姊舰锛岀劧鍚庝粠涓涓《鐐瑰嚭鍙戯紝鐢讳竴鏉″瀭鐩翠簬涓よ竟鐨勭嚎娈碉紝杩欐潯绾挎灏嗗師鏈殑闈炵洿瑙掕竟鍒嗘垚浜嗕袱涓洿瑙掋2. 澧炲姞涓や釜鐩磋鐨勭敾娉曪細鍦ㄦ褰㈢殑涓や釜闈炲杈圭殑寤堕暱绾夸笂锛屽悇鐢讳竴鏉″瀭鐩翠簬姊舰杈圭殑绾挎锛岃繖鏍峰氨褰㈡垚浜嗕袱...
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