Chapter CSB1.9, Problem 19E

To determine

An angle having a measurement of 140° and classify it.

Answer to Problem 19E

The given angle is between 90° and 180°, so it is an obtuse angle.

Explanation of Solution

To draw the angle performing following steps:

Step 1: Draw a ray with endpoint X .

Step 2: Place the center point of the protractor on X . Align the mark labeled 0 with the ray.

Step 3: Use the scale that begins with 0. Locate the mark labeled 140. Then draw the other side of the angle.

The angle drawn is shown below: