- To convert degrees to radians, multiply the degree measure by .

**Example:**

Convert 85° to radians:

- To convert from radians to degrees, multiply the radian measure by .

**Example**

Convert radians to degrees.

**1.** In the figure below, angles 3*m *and 4*n *are vertical angles. What is the value of *m *in terms of *n?*

(A)

(B)

(C)

(D)

(E)

**2**. In the figure below, v = 3u. What is the value of w?

(A) 15

(B) 30

(C) 45

(D) 60

(E) 75

**3. **In the following diagram, angle 1 is equal to 40°, and angle 2 is equal to 150°. What is the number of degrees in angle 3?

(A) 70°

(B) 90°

(C) 110°

(D) 190°

(E) The answer cannot be determined from the given information.

**4.** In the figure below, angles p and q are complementary, with 2p = 3q. What is the measure of angle p?

————End of Angles Practice 1————