Question

求文档: 如图,在RT三角形ABC中,角ACB=90度,角A=30度,BC=2厘米,三角形A’B‘C绕点C顺时针反

谁能告诉我怎么做，这是初三的题目
如图，在RT三角形ABC中，角ACB＝90度，角A=30度，BC=2厘米，三角形A’B‘C绕点C顺时针反方向旋转30度后得到，设A’B’边交BC边与点D，则三角形CDB’的面积是_____平方厘米

Answer 1

CDB'的面积为2平方厘米，因为顺时针反转后得到的三角形CDB'是个边长为2厘米的等边三角形。

Answer 2

晕，你要求的是什么啊，只给条件没给问题啊

Answer 3

你还没说要求什么，怎样解啊！

Answer 4

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