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It is easy to draw an equilateral triangle without a protractor. That gives a 60 degree angle. It is then simply a matter of bisecting the 60 degree angle, using an unmarked rule and compass, to get a 30 degree angle.

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12y ago

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Related Questions

How do you find the degree of an angle?

You can use a protractor.


When your drawing an angle with a protractor after you've drawn the first side of the angle your next step is to do what?

say it is a 90 degree angle; find the 90 degree line on the protractor and draw a line continuing from it about 1/2 a centimetre. Remove the protractor and join up the lines


How do you find the side of a triangle?

To find the degree of angle of a side of a triangle, a protractor is needed to measure the angle. Place the '0' on the protractor on the point of the angle and look at the top part to determine degree of angle. To measure the length of a triangle side, a simple ruler can be used to measure the length.


How do you find the measure of the 98 degree angle formed by the bisector?

Usually by means of a protractor.


How do you find angle measures without a protractor?

use the sun and silhoutte


What do you use to measure a right angle?

If you absolutely needed to measure an angle to find out its degree measure, you would use a protractor.


How do you draw 65 degree angle?

To draw a 65-degree angle, start by drawing a straight horizontal line using a ruler; this will be one side of the angle. Place a protractor on this line so that the center point of the protractor aligns with one end of the line. Find the 65-degree mark on the protractor and make a small mark above the line. Finally, remove the protractor and use a ruler to draw a line from the end of the original line to the mark, forming the 65-degree angle.


How do you find the measurements of an angle?

One way is to use a protractor. There are others


How do you use protractor in a sentence?

I used a protractor to find the measure of the angle.


How do you find an interior angle?

With a protractor


How do you find the north angle?

A protractor.


How do you find a angle measure?

With a protractor