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Q: How do you solve 16.5 degree using complementary angle?

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false but You can find the measure of an exterior angle by using supplementary angles.

by 60 degree and 90 degree

Using a protractor will help.

First draw a 90 degree angle .Than draw a 20 degree angle from that 90 degree angle . Than the rest of the angle will be 90-20=70 .Now bisect the 70 degree angle we will get 70/2=35. Now add the rest of the angle means 35+20 =55 GOT 55 DEGREE ANGLE

An angle of 65° can not be trisected using a compass and straight edge.

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By using trigonometry or using Pythagoras' theorem for a right angle triangle.

false but You can find the measure of an exterior angle by using supplementary angles.

by 60 degree and 90 degree

A 127.5 degree angle can be constructed by using a protractor and a straight edge.

Using a protractor is the easiest formula

Using a protractor will help.

The number 1.414... (square root of 2) is two times the cosine or sine of a 45 degree angle. The reason for this is that for a 45 degree angle, the two sides are cosine and sine, they are equal, and if you solve using the Pythagorean theorem with a hypotenuse of 1, the two sides are each (21/2)/2.

First draw a 90 degree angle .Than draw a 20 degree angle from that 90 degree angle . Than the rest of the angle will be 90-20=70 .Now bisect the 70 degree angle we will get 70/2=35. Now add the rest of the angle means 35+20 =55 GOT 55 DEGREE ANGLE

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.

by using a ruler and a compass

An angle of 65° can not be trisected using a compass and straight edge.

A 127.5 degree angle can be constructed by using a protractor and a straight edge.

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