Concept explainers
An angle having a measurement of 90° and classify it.
Answer to Problem 21E
The given angle is 90°, so it is right angle.
Explanation of Solution
To draw the angle performing following steps:
Step 1: Draw a ray with endpointX .
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 90. Then draw the other side of the angle.
The angle drawn is shown below:
Chapter CSB1.9 Solutions
Pre-Algebra, Student Edition
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