In Exercises 1–6, the measure of an angle is given. Classify the angle as acute, right, obtuse, or straight.135°

Solve each problem. See Example 6. Rotating Airplane Propeller An airplane propeller rotates 1000 times per min. Find the number of degrees that a point on the edge of the propeller will rotate in 2 sec.

Convert decimal degrees to degrees, minutes, seconds, and convert degrees, minutes, seconds to decimal degrees. If applicable, round to the nearest second or the nearest thousandth of a degree. 47° 25' 11"

In Exercises 1–6, the measure of an angle is given. Classify the angle as acute, right, obtuse, or straight.87.177°

In Exercises 1–6, the measure of an angle is given. Classify the angle as acute, right, obtuse, or straight.𝜋

In Exercises 1–6, the measure of an angle is given. Classify the angle as acute, right, obtuse, or straight.𝜋/2

In Exercises 41–56, use the circle shown in the rectangular coordinate system to draw each angle in standard position. State the quadrant in which the angle lies. When an angle's measure is given in radians, work the exercise without converting to degrees.

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