parallelogram and a triangle have the same area, the bases are the same length, the height of the triangle is 10 cm, what is the height of the parallelogram in cm?
一个平行四边形和一个三角形的面积相等，底边长相等，三角形的高是10厘米，平行四边形的高是多少厘米．
<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<result>5</result>