A:It was said in the newspaper wa
B:As was reported on the radio
C:What the weather report said
D:It was said in the newspaper
已知图为一几何体从不同方向看的图形:
(1)写出这个几何体的名称;
(2)任意画出这个几何体的一种表面展开图;
(3)若长方形的高为10厘米,三角形的边长为4厘米,求这个几何体的侧面积.
从社会发展的角度讲,孔子兴办“私学”这种形式( )