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In quadrilateral \(ABCD,\) is angle \(BCD\) a right angle?
(1) Angle \(ABC\) is a right angle.
(2) Angle \(ADC\) is a right angle.
Answer: E
Source: Official Guide
(1) Angle \(ABC\) is a right angle.
(2) Angle \(ADC\) is a right angle.
Answer: E
Source: Official Guide
