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You need to use a protractor.

You can also calculate it from the length of the three sides of a triangle it would make. Since an obtuse angle lies between 90 and 180 degrees just draw a line bisecting the two angle lines and measure the length of each of the three resulting sides.

View Wikipedia in the related link below to find out how to use trigonometry to accomplish this.

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Q: How do you measure an obtuse angle?
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Related questions

The measure of an acute angle is half the measure of an obtuse angle.What is the measure of an obtuse angle?

The measure of the obtuse angle would then be double that of the acute angle.


If an angle is obtuse then it has a measure of 120 degrees?

When an angle has a measure of 120 degrees, it is an obtuse angle. When an angle is an obtuse angle its measure is between 90 and 180 degrees. That is: 90 degrees < obtuse angle < 180 degrees.


Can the measure of an obtuse angle is greater than the measure of a right angle?

Yes because an obtuse angle is greater than a right angle


What is the measurement of every obtuse angle?

It depends on the angle not all obtuse angles measure the same. To measure an angle you use a protractor.


What angle measure 125?

An obtuse angle.


What type of angle is a 91 angle?

An obtuse angle. A right angle has an exact measure of 90 degrees; an obtuse angle has a measure greater than 90 degrees.


An angle whose measure is between 90 degree and 180 degree is what angle?

An obtuse angle


Does a obtuse angle measure 90 degrees?

No an obtuse angle is any angle greater than 90 degrees.


Is an obtuse angle 110 degrees?

No, though an 110 degrees angle is an obtuse angle. An obtuse angle is any angle whose measure is in the range (90, 180) degrees.


What are some characteristics of an obtuse angle?

An obtuse angle has its measure between 90 and 180 degrees.


Is an obtuse angle 15 degrees?

No. An obtuse angle has a measure of between 90 and 180 degrees.


What does120 Degrees measure?

It is the measure of an obtuse angle