1.

Which one among the following is incorrect pair of the angle and its complement?

A. \[67{}^\circ \text{ }\Leftrightarrow \text{ }23{}^\circ \]
B. \[45{}^\circ \text{ }\Leftrightarrow \text{ }45{}^\circ \]
C. \[34{}^\circ \text{ }\Leftrightarrow 46{}^\circ \]
D. \[42{}^\circ \text{ }\Leftrightarrow \text{ }48{}^\circ \]
E. None of these
Answer» D. \[42{}^\circ \text{ }\Leftrightarrow \text{ }48{}^\circ \]


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