Multiple Choice
In the context of angles in standard position, if point C is at , point O is at , and point A is at , what is the measure of angle COA in degrees?
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1. Measuring Angles
Angles in Standard Position
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Which of the following angles in standard position is an acute angle?
A
B
C
D
Verified step by step guidance1
Recall the definition of an acute angle: an angle that measures greater than 0° and less than 90°.
Examine each given angle to determine if it fits the acute angle criteria: 120°, 30°, 150°, and 90°.
Check 120°: since 120° is greater than 90°, it is not acute.
Check 30°: since 30° is between 0° and 90°, it is an acute angle.
Check 150° and 90°: 150° is greater than 90°, and 90° is a right angle, so neither is acute.
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