Multiple Choice
Given an angle in standard position, what is the measure of the angle of elevation from point l to point j if the correct value is ?
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1. Measuring Angles
Angles in Standard Position
Multiple Choice
Which of the following angles in standard position has a positive measure?
A
B
C
D
Verified step by step guidance1
Recall that an angle in standard position is measured starting from the positive x-axis, moving counterclockwise for positive angles and clockwise for negative angles.
Identify the sign of each given angle: negative angles (like -120° and -60°) indicate clockwise rotation, so these are negative measures.
Positive angles are those measured counterclockwise from the positive x-axis, so any angle greater than 0° is positive.
Among the given options, 45° and 0° are non-negative, but 0° is neither positive nor negative; it is the starting point.
Therefore, the angle with a positive measure is the one greater than 0°, which is 45°.
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