A piece of rectangular paper with an area of 100cm**2. Cut it into two identical triangles, what is the area of each triangle in cm**2.
一张长方形纸，面积是100cm**2．把它剪成两个完全一样的三角形，每个三角形的面积是多少cm**2．
<gadget id="calculator">100 / 2</gadget>
<output>50</output>

<result>50</result>