I have a triangle (not right angled) in a circle.

I know all the sides but none of the angles.

Is there a formula to find an angle? I need to know the one at the centre of the circle.

Thanks.

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- Sep 25th 2007, 05:14 AMGAdamsSector angles
I have a triangle (not right angled) in a circle.

I know all the sides but none of the angles.

Is there a formula to find an angle? I need to know the one at the centre of the circle.

Thanks. - Sep 25th 2007, 05:46 AMtopsquark
- Sep 25th 2007, 05:51 AMGAdams
- Sep 25th 2007, 07:00 AMtopsquark
The use the Law of Cosines or the Law of Sines to find your angles.

-Dan