学习了梯形的面积计算之后,老师给我们出了下面一道题目,让大家运用已经掌握的知识独立解答,然后在组内交流各自的想法,共同分享同学们的成果。已知图中梯形的上底是8厘米,下底是16厘米,阴影部分的面积是48平方厘米。求梯形的面积。 After learning the area calculation of the trapezoid, the teacher gave us the following question so that we can use the available knowledge to answer each other independently, and then exchange their ideas in the group to share the achievements of the students. It is known that trapezoid has an upper base of 8 cm, a lower base of 16 cm and a shaded area of ​​48 cm 2. Find the trapezoidal area.