In the diagram above, O is the center of the circle and angle AOB = 144º. What is the area of the circle?
Statement #1: The area of sector AOB is 40% of the area of the circle
Statement #2: Arc ACB has a length of 14$$\pi$$.
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In the diagram above, O is the center of the circle and angle AOB = 144º. What is the area of the circle?
Statement #1: The area of sector AOB is 40% of the area of the circle
Statement #2: Arc ACB has a length of 14$$\pi$$.
- 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.
显示答案
正确答案: B
正确率： 90%
难度：
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