如图,正方形ABCD的边长为4cm,三角形ABC的面积是多少平方厘米?三角形SBC的面积是多少平方厘米?(图:上面为AD,下面为BC组成的正方形,延长AD到S,连接C点.组成CDS直角三角形,然后A与)C连接,B与S
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![如图,正方形ABCD的边长为4cm,三角形ABC的面积是多少平方厘米?三角形SBC的面积是多少平方厘米?(图:上面为AD,下面为BC组成的正方形,延长AD到S,连接C点.组成CDS直角三角形,然后A与)C连接,B与S](/uploads/image/z/5336435-11-5.jpg?t=%E5%A6%82%E5%9B%BE%2C%E6%AD%A3%E6%96%B9%E5%BD%A2ABCD%E7%9A%84%E8%BE%B9%E9%95%BF%E4%B8%BA4cm%2C%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%98%AF%E5%A4%9A%E5%B0%91%E5%B9%B3%E6%96%B9%E5%8E%98%E7%B1%B3%3F%E4%B8%89%E8%A7%92%E5%BD%A2SBC%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%98%AF%E5%A4%9A%E5%B0%91%E5%B9%B3%E6%96%B9%E5%8E%98%E7%B1%B3%3F%EF%BC%88%E5%9B%BE%EF%BC%9A%E4%B8%8A%E9%9D%A2%E4%B8%BAAD%2C%E4%B8%8B%E9%9D%A2%E4%B8%BABC%E7%BB%84%E6%88%90%E7%9A%84%E6%AD%A3%E6%96%B9%E5%BD%A2%2C%E5%BB%B6%E9%95%BFAD%E5%88%B0S%2C%E8%BF%9E%E6%8E%A5C%E7%82%B9.%E7%BB%84%E6%88%90CDS%E7%9B%B4%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%2C%E7%84%B6%E5%90%8EA%E4%B8%8E%EF%BC%89C%E8%BF%9E%E6%8E%A5%2CB%E4%B8%8ES)
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