how do i make a 60 degree angle?

k i need to construct a 60 degree angle with a compass. how do i do that??? i knw how to make a 90 degree but i need help on the 60 degree because i need to add it to a 15 degree angle to make 75 degrees. HELLLP

Top 2 Answers

A few days ago

math guy

Favorite Answer

Basically, you construct an equilateral triangle, and then you know that it must be equiangular, so you get 60 degree angles.

Draw a ray. Call the endpoint A.

Take your compass and draw an arc centered at A. It will intersect your ray at some point. Call this point B.

Keeping the radius the same, take your compass and center it at point B. Find where it intersects the arc you drew. Call this point C.

Now triangle ABC is equilateral (all three sides have the same length). So draw ray AC with your straightedge and you have your 60 degree angle.

I hope this helps!

A few days ago

Anonymous

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