Chapter CSB1.9, Problem 12E

To determine

An angle having a measurement of 40° and classify it.

Answer to Problem 12E

The given angle is between 0° and 90°, so it is an acute 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 40°. Then draw the other side of the angle.

The angle drawn is shown below: