Concept explainers
The angle
Answer to Problem 6E
Estimated measure: 135°
Actual measure: 133°
Classification: Obtuse
Explanation of Solution
Given information:
Following figure is given:
From the figure it can be seen that
Also
To actually measure angle
Step 1:
Place the center point of the protractor’s base on vertex D. Align the straight side with
Step 2:
Use the scale that begins with 0° at
The angle measure is shown below:
Since the angle is larger than 90°, hence it is an obtuse angle.
Chapter CSB1.9 Solutions
Pre-Algebra, Student Edition
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