【題目】讀圖回答下列問(wèn)題．

（1）此圖的比例尺是用式表示的．請(qǐng)你用另外一種形式表示此比例尺 ．
（2）廈門位于臺(tái)北的方向．
（3）如果用圖中比例尺畫(huà)你學(xué)校的平面圖，合適嗎？為什么？
（4）圖中高雄到廈門的圖上距離為3厘米，兩地實(shí)際直線距離大約為千米．

【答案】
（1）線段；1：10000000
（2）西南
（3）

不合適；因?yàn)閷W(xué)校范圍小，應(yīng)選擇大比例尺


（4）300
【解析】比例尺是表示圖上距離比實(shí)地距離縮小的程度，用公式表示為：比例尺= ．比例尺的可以用以下方式來(lái)表示：數(shù)字式、文字式、線段式．（1）讀圖可知，圖中的比例尺是用線段式表示的，用文字式表示為：圖上1厘米代表實(shí)地距離100千米，用數(shù)字式表示為：1：10000000．（2）在有經(jīng)緯網(wǎng)的地圖上，用經(jīng)緯網(wǎng)定向，緯線指示東西方向，經(jīng)線指示南北方向，據(jù)此讀圖可知，廈門位于臺(tái)北的西南方向．（3）如果用圖中比例尺畫(huà)你學(xué)校的平面圖不合適；因?yàn)閷W(xué)校范圍小，應(yīng)選擇大比例尺．（4）圖中的比例尺是線段式，表示圖上1厘米代表實(shí)地距離100千米，若廈門到高雄的直線距離是3厘米，則兩地實(shí)際距離是300千米．所以答案是：（1）線段；1：10000000；（2）西南；（3）不合適；因?yàn)閷W(xué)校范圍小，應(yīng)選擇大比例尺；（4）300．

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