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A "protractor" is a device that can be used to draw angles of a specified size,

or measure the size of unknown angles, in the same way that a "ruler" is used

to do the same thing with lines.

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12y ago

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How do you use a half-circle protractor to measure an angle?

Place the center point of the protractor at the vertex of the angle and one of the lines of the angle along the zero line of the protractor. The measure of the angle will then be where on the protractor's angular scale the other line of the angle lies.


How to measure an angle accurately?

To measure an angle accurately, use a protractor. Place the center of the protractor at the vertex of the angle. Align one side of the angle with the 0-degree mark on the protractor. Read the measurement where the other side of the angle intersects the protractor.


A tool for measuring the size of an angle?

A protractor


When do you use protractor?

a protractor is used to measure an angle


How can I accurately measure angles using a protractor?

To accurately measure angles using a protractor, place the center of the protractor on the vertex of the angle. Align one side of the angle with the zero line on the protractor. Read the measurement where the other side of the angle intersects the protractor scale.


How to use a protractor effectively for measuring angles?

To use a protractor effectively for measuring angles, place the center of the protractor on the vertex of the angle. Align one side of the angle with the 0-degree mark on the protractor. Read the measurement where the other side of the angle intersects the protractor scale.


How to measure an angle on a wall accurately?

To measure an angle on a wall accurately, use a protractor. Place the protractor on the corner of the angle and align the baseline with one side of the angle. Read the measurement where the other side of the angle intersects the protractor. This will give you the accurate measurement of the angle.


How can you measure an angle?

with a protractor


How will you measure an angle?

With a protractor


How do you measure and angle?

With a protractor


How can an angle be measured?

With a protractor


What is the definition of protractor?

A protractor is an instrument that is used when you need to measure an angle.