Hello everyone,

Could someone please show me how to do this one?

FInd the chord(120 degrees) when the radius of the triangle is 1 and then when the radius is 3438. I know that the answer is the square root of 3 for the first one, but I'm not sure how to go about solving it.

My attempt:

I know that the angles would have to be 120, 30, 30, but I'm not sure what to do next.

Thank you very much