Exercise
Measuring Angles with Protractors: Fundamentals
Questions
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MultiChoice
Where should the center point of a protractor be placed when measuring an angle?
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MultiChoice
One ray of the angle must align with which line on the protractor?
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MultiChoice
Which scale should you read on a protractor?
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MultiChoice
What unit of measurement is used on a protractor?
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MultiChoice
A standard half-circle protractor measures angles up to how many degrees?
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MultiChoice
If an acute angle points right and its side aligns with 0 on the inner scale pointing to 50, what is its measure?
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MultiChoice
If an obtuse angle starts at 0 on the inner scale and passes through 140, what is its measure?
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MultiChoice
On a protractor, a ray passes through the mark labelled 70/110. If the angle is acute, what is the measure?
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MultiChoice
On a protractor, a ray passes through the mark labelled 55/125. If the angle is obtuse, what is the measure?
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MultiChoice
The middle mark directly at the top center of a standard protractor shows how many degrees?
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MultiChoice
An acute angle reaches halfway between 30 and 40 degrees on the protractor. What is its measure?
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MultiChoice
An obtuse angle reaches halfway between 100 and 110 degrees on the protractor. What is its measure?