1. Measuring Angles

Which type of angle has a measure greater than $90°$ and less than $180°$?

If an angle measures $1°$, which of the following angles is complementary to it?

Which angle is complementary to $4°$?

In Exercises 1–8, use the given vectors to find v⋅w and v⋅v. v = -6i - 5j, w = -10i - 8j

Which of the following pairs of angles are supplementary to each other?

Which angle is supplementary to $4°$?

Find the complement & supplement of a $45°$ angle.

Complement: ____

Supplement: ____

Convert each radian measure to degrees.

5π/4

Convert each radian measure to degrees.

8π/3

Convert each radian measure to degrees.

-11π/18

Convert each degree measure to radians. If applicable, round to the nearest thousandth. See Example 1(c).

39°

Convert each degree measure to radians. If applicable, round to the nearest thousandth. See Example 1(c).

42.5°

Convert each degree measure to radians. If applicable, round to the nearest thousandth. See Example 1(c).

139° 10'

Convert each degree measure to radians. If applicable, round to the nearest thousandth. See Example 1(c).

174° 50'