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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.
You use a protractor
Yes by bisecting an angle of 140 degrees with a compass
With a protractor.
You can use a protractor.
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.
Use a protractor.
You use a protractor
Yes by bisecting an angle of 140 degrees with a compass
With a protractor.
You measure it with a protractor.
A protractor.
With a protractor
With a protractor
With a protractor.
You can use a protractor.
Use a protractor.