Using a Protractor Practice

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Question 1
Use a protractor to measure the angle x as shown in the picture below. Print out this page if you need to.

angle x is less than 180 degrees

Answer

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A. 125°
B. 65°
C. 115°
D. 75°
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Step by Step Solution 

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Step 1
First, we place the protractor on the vertex of the angle as shown below:
the origin is on the vertex of the angle
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Step 2
Now, we rotate the protractor about the vertex of the angle so that the base line is along the line or arm as shown below:
base line is along the line or arm

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Step 3
By reading the inner scale, we can see that the angle is 65°.
the measured angle is 65 degrees
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Step 4
Angle x is 65°. Clearly, the answer is B.
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