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Place the center on the vertex, rotate your protractor until the base line is lined up with one of the lines of the angle and read the number the other line goes through.

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12y ago
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Q: How does one use a protractor to measure angles?
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Related questions

What you use to measure angles?

a protractor


What instrument used to measure angles?

use a protractor to measure angles


What is one way you would measure angles with a quadrangle?

Use a protractor.


How do you measure the angles in a star?

Use a protractor.Use a protractor.Use a protractor.Use a protractor.


What tool do you use to measure and drawing angles?

A protractor.


How do you measure the two angles of a triangle?

There are three angles in a triangle but to measure them you would use a protractor.


WhaT INSTRUMENT IS USE TO MEAURE ANGELS?

A protractor is used to measure angles.


How do you use a protractor to measure angles?

put the protractor on the vertex and look up at the degree's and look belowacute angle =has a measure between 0 degree's and 90 degree'sright angle =has a measure of 90 degree'sobtuse angle = has a measure between 90 degree's and 180 degree'sstraight angle = has a measure of 180 degree'sthat's how you use a protractor to measure angles.


How many degrees in angles?

it depends on the angle. Right angles always have 90 degrees. You can use a protractor to measure the angle


How do you found 2 missing angles of a triangle?

I don't think there is a formula if you only know one angle measure. Use a protractor.


How do you measure interior angles of a triangle?

If you are given a picture of a triangle and no information about it, then you could use a protractor.


How do you use a protractor?

you line up the dots of the segment to the dots of the protcractor and draw/measure the angles.