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Trigonometry: Angles

Problems

Angles Defined

Measuring Angles

Problem : Decide which side of the angle below is the initial side, which is the terminal side, and whether the measure of the angle is positive or negative.

Initial side: AC
Terminal side: AB
Measure: positive

Problem : Decide which side of the angle below is the initial side, which is the terminal side, and whether the measure of the angle is positive or negative.

Initial side: AB
Terminal side: AC
Measure: positive

Problem : Decide which side of the angle below is the initial side, which is the terminal side, and whether the measure of the angle is positive or negative.

Initial side: AB
Terminal side: AC
Measure: negative

Problem : Decide which side of the angle below is the initial side, which is the terminal side, and whether the measure of the angle is positive or negative.

Initial side: AC
Terminal side: AB
Measure: positive

Problem : Decide which side of the angle below is the initial side, which is the terminal side, and whether the measure of the angle is positive or negative.

Initial side: AC
Terminal side: AB
Measure: positive

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