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# What are the two angle measures that can be trisected with a straightedge and compass?

Updated: 11/24/2022

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Q: What are the two angle measures that can be trisected with a straightedge and compass?
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### Can a 65 degree angle be trisected using only a compass and straightedge?

An angle of 65&deg; can not be trisected using a compass and straight edge.

### Two angles that can be trisected with a straightedge and compass are a 90 degrees angle and what other degree of angle?

45 and 90 degree angles

### Which tools are necessary to construct a angle bisector?

A compass and a straightedge

### If I have an answer to the trisect any angle geometry question how can I discover if I am right or wrong?

First things first, the actual statement isn't "you can't trisect an angle" but rather "you can't trisect one with only a compass and straightedge." Some angles can be easily trisected--a 90-degree angle trisects into 30-degree segments-but to do it you need a protractor. Anyway, to check your work measure the angle you trisected and divide by three. If your trisections match, you got it right.

True

true

True -

no

True

Yes

True.

### How do you trisect an acute angle?

Use a protractor to measure the angle. Divide that number by 3 and that is the required angle. In general, an angle cannot be trisected using a compass and straight edge.