The triangle and the parallelogram have the same base and the same area. The height of the triangle is 15 cm. What is the height of the parallelogram in cm?
三角形和平行四边形底相等，面积也相等，三角形高是15厘米，平行四边形的高是多少厘米．
<gadget id="calculator">15 / 2</gadget>
<output>15/2 = around 7.5</output>

<result>15/2 = around 7.5</result>