Is $$\Delta$$ABC an isosceles triangle?
(1) AD = DC
(2) The area of$$\Delta$$ABD equals the area of $$\Delta$$BDC
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Is $$\Delta$$ABC an isosceles triangle?
(1) AD = DC
(2) The area of$$\Delta$$ABD equals the area of $$\Delta$$BDC
- AStatement 1 ALONE is sufficient to answer the question, but statement 2 alone is NOT sufficient.
- BStatement 2 ALONE is sufficient to answer the question, but statement 1 alone is NOT sufficient.
- CBOTH statements 1 and 2 TOGETHER are sufficient to answer the question, but NEITHER statement ALONE is sufficient.
- DEach statement ALONE is sufficient to answer the question.
- EStatement 1 and 2 TOGETHER are NOT sufficient to answer the question. Previous
显示答案
正确答案: D
正确率： 80%
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