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Use the Pythagorean Theorem: a2 + b2 = c2

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Q: How do you measure an angle without using a protracter?
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Related questions

Can we draw all angles without using protracter?

No.


How do you draw a 130 degree angle using a protracter?

It is the line from 0 to 130 degrees on your protractor


Using a ruler how to measure an angle?

You cannot measure an angle using a ruler.


How do you find the area of a triangle using fraction?

get a protracter


What is the measure of an angle?

Using a protractor the measure of and angle is how many degrees around it is.


Would Without using a protractor what info would you need to get the measure of an exterior angle?

You would need to know the interior angle because 180-interior angle = exterior angle


Do you have to measure the sides while measuring an angle?

When measuring an angle you have to measure the sides using a protractor.


How do you find the size of an angle without using a protractor?

If the angle is a lone, random angle, I believe you would need a protractor to determine the precise size of the angle (in "degrees"). However, you could, in this case, roughly guess as to whether the angle is acute, obtuse, or right (if the little rectangle is shown in the angle). Of course, if an angle is in a position where one can determine its measure using known postulates or theorems, finding the size of this angle becomes much easier. For example, if you know the measure of one angle and you must determine the measure of another angle, but these two angles are vertical angles, or are corresponding angles (by the corresponding angles postulate), you can indeed determine the measure of this angle without a protractor. Additionally, another example is that if you knew a pair of angles were either supplementary angles, complementary angles, or a linear pair, and you were given the measure of one of these angles, you could determine the measure of the other angle without a protractor. Therefore, it depends on the angle you're looking at.


How can you find right angles without using a protractor?

You can never really be certain about the measure of an angle without using a protractor, or some similar tool. Usually, you can try to "eyeball" it, though. Just remember that a right angle is the same as an angle in a square. It is also a quarter of a whole revolution.


how two system of measuring angle?

By using a protractor we can measure an angle


How can i find a measure of an angle?

By using a protractor or using trigonometry


How to find a measure in each angle?

by using a ruler