1.

Angles with measure 45° and -315° are (A) zero angles. (B) straight angles. (C) co-terminal angles. (D) standard angles.

Answer»

Correct answer is (C) co-terminal angles.

45° - (-315°) = 45° + 315°

= 360°

which is integral multiple of 360°

∴ the angles are co-terminal.



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