在含有30°、60°、90°角和含有45°、45°、90°角的两块三角板中,若其中一块的一条直角边和另一块的一条直角边相等,则这两块三角板可拼成如下几种基本图形:(1)当30°角所对的直角边与45°角所对的直角边相等时:(2)当60°角所对的直角边与45°角所对的直角边相等时:由于含30°、60°、90°角的三角形 In two triangular plates with angles of 30°, 60°, and 90° and angles of 45°, 45°, and 90°, if one of the right-angled edges of one piece is equal to one of the right-angled pieces of the other piece, these two triangular plates can be The following basic figures are spelled out: (1) When the right-angled side of the 30° angle pair is equal to the right-angled side of the 45° angle: (2) When the right-angled side of the 60° angle is opposite to the 45° angle When the right-angled sides are equal: Because of the triangles with 30°, 60°, and 90° angles