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如下图，在直角梯形中，AD＝12厘米，AB＝8厘米，BC＝15厘米，且△ADE、四边形DEBF、△CDF的面积相等，△EDF的面积是多少？（　　）

单选题
2022-04-06 17:12
A、28平方厘米
B、30平方厘米
C、32平方厘米
D、33平方厘米
查看答案
正确答案
B
试题解析

平方厘米。因为＝＝，平方厘米，BE＝8－6＝2厘米，平方厘米，CF＝9厘米，BF＝15－9＝6厘米，则平方厘米，＝－＝36－6＝30平方厘米。
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