1. For an angle to be in standard position, which of the following conditions MUST be satisfied? i. it is drawn on the xy-plane ii. its vertex is at the origin iii. its initial side is on the positive x-axis iv. it is positive v. it is given in radians A. i, ii, iii B. i, ii, iii, iv C. i, ii, iii, v D. i, ii, iii, iv, v

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