Two identical triangles are put together to form a parallelogram with an area of 10.24 square centimeters. What is the area of one of the triangles in square centimeters?
两个完全一样的三角形，拼成一个面积是10.24平方厘米的平行四边形，其中一个三角形的面积是多少平方厘米．
<gadget id="calculator">10.24 / 2</gadget>
<output>5.12</output>

<result>5.12</result>